| 2025-11-20 | 7:00 AM | T | NA | NA | NA | NA | | 20 Nov: FG/MST 42.4° REL HMDTY 99% AQI 50 DP 42.1° WND CLM 0.0 MPH WND CHL --.-° BRM 30.11 STDY VIS 1.7 MI Sunrise 6:48 Sunset 4:26. 19 Nov: Hi 43.3° (1335) Lo 41.5° (0025) HDD 21 GUST SE 8 MPH (1055). *** Kick-off conditions at Memorial Stadium for the final high school game of the 1964 season (Joliet Catholic @ Joliet Central) were abominable: northwest winds up to 41 MPH, air temperature 19°, snow falling/blowing, visibility of less than two miles on open roads, and a ghastly wind chill of -2°. Marching band cancelled its show after the National Anthem because mouthpieces froze to the lips of all brass players and trombone slides were stuck in first position. Which team won? Nobody cared because all but a handful of fans had left by halftime. NNNN |
| 2025-11-19 | 7:00 AM | T | NA | NA | NA | NA | | 19 Nov: OVRCST 42.1° REL HMDTY 93% AQI 32 DP 40.1° WND E 1.1 MPH WND CHL --.-° BRM 30.19 RSG VIS 7 MI Sunrise 6:46 Sunset 4:28. 18 Nov: Hi 43.3° (1300) Lo 39.0° (0700) HDD 23 GUST NE 18 MPH (1515). *** The end of eight consecutive days of sub-freezing maximum temperatures was recorded OTD in 2014. The mercury had been below 32° for 180 hours with a trace of snow each day. NNNN |
| 2025-11-18 | 7:00 AM | 0.24 | NA | NA | NA | NA | | 18 Nov: LT R 38.7° REL HMDTY 97% AQI 33 DP 37.9° WND E 4.5 MPH WND CHL 36.5° BRM 29.96 FLG VIS 10 MI Sunrise 6:44 Sunset 4:29. 17 Nov: Hi 48.4° (1550) Lo 26.4° (0705) HDD 26 GUST E 17 MPH (0615). *** Just 6° of mercury greeted Jolietans as they awakened OTD in 2014. The occasion was the middle of three record-cold days in the City of Champions. Clear nights helped to deepen overnight readings as nephophiles begged for cloud cover. NNNN |
| 2025-11-17 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 17 Nov: CLR 27.3° REL HMDTY 81% AQI 36 DP 22.5° WND NW 3.0 MPH WND CHL --.-° BRM 30.07 RSG VIS 10 MI Sunrise 6:43 Sunset 4:30. 16 Nov: Hi 48.9° (1355) Lo 26.4° (0545) HDD 22 GUST W 20 MPH (1415). *** 25 EF-2 tornadoes occurred over Northeastern Illinois OTD in 2013 as ancraophobics wisely took shelter. $37,000 damage was done to Good Shepherd Lutheran Church in Frankfort and the bell tower would eventually have to be razed. NNNN |
| 2025-11-16 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 16 Nov: CLR 39.6° REL HMDTY 44% AQI 39 DP 19.4° WND N 14.4 MPH WND CHL 34.6° BRM 29.88 RSG VIS 10 MI Sunrise 6:41 Sunset 4:31. 15 Nov: Hi 70.2° (1435) Lo 39.4° (0540) HDD 5 GUST NW 24 MPH (1435). *** 18° high and 10° low OTD in the Depression year of 1933 was somehow symbolic of those dreadful days. NNNN |
| 2025-11-15 | 7:00 AM | T | NA | NA | NA | NA | | 15 Nov: CLR 59.7° REL HMDTY 90% AQI 55 DP 57.2° WND SW 8.2 MPH WND CHL --.-° BRM 29.59 FLG VIS 10 MI Sunrise 6:40 Sunset 4:31. 14 Nov: Hi 70.0° (1550) Lo 40.3° (0705) HDD 10 GUST SW 17 MPH (0515). *** New Lenox suffered windstorms OTD in 2020. 50+ MPH gales and .07” rain made this a truly crummy day for anemophobes. NNNN |
| 2025-11-14 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 14 Nov: CLR 40.1° REL HMDTY 77% AQI 36 DP 33.4° WND SE 1.1 MPH WND CHL --.-° BRM 30.01 STDY VIS 10 MI Sunrise 6:39 Sunset 4:32. 13 Nov: Hi 57.0° (1535) Lo 28.8° (0710) HDD 20 GUST S 6 MPH (1315). *** 1971’s mid-November heat wave featured 78° OTD. Throughout, it was an abnormally warm autumn: September had been the fourth hottest on record, October the second, and November continued the trend with well-above average readings. December would make the top ten and also had almost no snow (0.3") but much rain (5.93"). Thermophiles of the world unite! NNNN |
| 2025-11-13 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 13 Nov: CLR 30.6° REL HMDTY 89% AQI 44 DP 24.8° WND CLM 0.0 MPH WND CHL --.-° BRM 30.16 RSG VIS 10 MI Sunrise 6:38 Sunset 4:33. 12 Nov: Hi 54.9° (1455) Lo 30.6° (0559) HDD 18 GUST W 25 MPH (1315). *** Brr! 7° OTD in Joliet in 1986 with -3° dew point and 18 MPH northwest winds which created a -12° chill for any ancraphobics in the populace. NNNN |
| 2025-11-12 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 12 Nov: CLR 36.9° REL HMDTY 88% AQI 32 DP 33.9° WND W 8.5 MPH WND CHL 30.9° BRM 29.86 RSG VIS 10 MI Sunrise 6:37 Sunset 4:34. 11 Nov: Hi 36.9° (1545) Lo 27.7° (0715) HDD 32 GUST S 26 MPH (1235). *** High near 80° fell to low of 12° during an 18-hour span this weekend in 1911. Two men in Chicago died of greatly different causes in less than a day. 1) A Windy City railroad employee in Chicago died from heat prostration on the afternoon of the 11th. 2) 19 hours later, a man was knocked unconscious outside and froze to death. Talk about pernicious pagophobia! NNNN |
| 2025-11-11 | 7:00 AM | T | T | T | T | T | | 11 Nov: OVRCST 27.3° REL HMDTY 82% AQI 35 DP 22.3° WND S 7.5 MPH WND CHL 20.1° BRM 30.03 FLG VIS 10 MI Sunrise 6:35 Sunset 4:35. 10 Nov: Hi 34.9° (1445) Lo 24.6° (0705) HDD 34 GUST NW 22 MPH (1415). *** Coldest Veterans’ Day temperature was 13° in 2019. Bad day for psychrophobics! To make matters worse OTD, 3.4” snow blanketed New Lenox. NNNN |
| 2025-11-10 | 7:00 AM | 0.14 | 2.5 | 0.14 | NA | NA | | 2.5" was first measurable snow in 223 days (31 March). 10 Nov: CLR 32.9° REL HMDTY 89% AQI 36 DP 22.1° WND N 23.8 MPH WND CHL 13.8° BRM 30.17 RSG VIS 10 MI Sunrise 6:34 Sunset 4:36. 9 Nov: Hi 33.6° (1100) Lo 25.0° (0608) HDD 32 GUST NW 31 MPH (0355). *** Very unlike today, the seventh consecutive and final 70+ (75°) day warmed Joliet in 2020. Thermophobics weren't carping! NNNN |
| 2025-11-09 | 7:00 AM | 0.64 | T | T | NA | NA | | 9 Nov: LT SNW 32.9° REL HMDTY 94% AQI 27 DP 31.1° WND N 29.1 MPH WND CHL 22.1° BRM 29.95 RSG VIS 7 MI Sunrise 6:32 Sunset 4:38. 8 Nov: Hi 49.3° (1045) Lo 32.9° (0632) HDD 22 GUST NW 31 MPH (0355). *** Not a good time to be chionophobic! Late night “Armistice Weekend Blizzard” in 1940 from Great Plains dropped nearly 1’ of snow on northern Illinois. Temperatures dropped 40° in less than 5 hours as fierce winds raked the area. 40’ waves on Lake Michigan caused 59 to perish when three ships capsized. Ashore, 13 people were killed, most of whom were duck hunters caught in rapidly changing weather. 1.5 million turkeys froze to death. NNNN |
| 2025-11-08 | 7:00 AM | T | NA | NA | NA | NA | | 8 Nov: OVRCST 45.5° REL HMDTY 89% AQI 39 DP 42.4° WND NE 3.1 MPH WND CHL --.-° BRM 29.82 RSG VIS 10 MI Sunrise 6:32 Sunset 4:38. 7 Nov: Hi 63.3° (1530) Lo 45.5° (0637) HDD 10 GUST W 21 MPH (1415). *** The 1951 storm (of my most recent two posts) eventually had protracted gales of 50+ MPH from the east that whipped the 9.3” snow on the ground into amazing autumn drifts. NNNN |
| 2025-11-07 | 7:00 AM | 0.37 | NA | NA | NA | NA | | 7 Nov: OVRCST 49.6° REL HMDTY 98% AQI 42 DP 49.1° WND SW 6.4 MPH WND CHL 47.6° BRM 29.55 FLG VIS 10 MI Sunrise 6:30 Sunset 4:39. 6 Nov: Hi 60.1° (1335) Lo 30.2° (0700) HDD 18 GUST S 28 MPH (2335). *** 2” snow was on the ground a day earlier than this in 1951 and 7” more fell OTD. The first week of November? NNNN |
| 2025-11-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6 Nov: CLR 29.8° REL HMDTY 90% AQI 41 DP 27.3° WND CLM 0.0 MPH WND CHL --.-° BRM 30.22 STDY VIS 10 MI Sunrise 6:29 Sunset 4:40. 5 Nov: Hi 61.9° (1320) Lo 29.3° (0555) HDD 13 GUST NW 25 MPH (1315). *** Snow depth was 2” OTD in 1951 and 11° temperatures made it all the worse. As my young parents sought warmth during this spell, a bit of family history research reveals that my #1 sister may well have been conceived during those long, chilly nights. NNNN |
| 2025-11-05 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5 Nov: CLR 52.0° REL HMDTY 81% AQI 44 DP 46.4° WND W 5.4 MPH WND CHL 50.0° BRM 29.83 STDY VIS 10 MI Sunrise 6:28 Sunset 4:41. 4 Nov: Hi 64.6° (1345) Lo 36.3° (0700) HDD 14 GUST S 22 MPH (1515). *** Our wettest November was in 1985 when a whopping 8.22” rain tested the local sump pumps. Measurable precipitation fell on 16 of the days and totals exceeded 1" on four of them. NNNN |
| 2025-11-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 4 Nov: CLR 35.4° REL HMDTY 79% AQI 36 DP 29.5° WND CLM 0.0 MPH WND CHL --.-° BRM 30.28 STDY VIS 10 MI Sunrise 6:27 Sunset 4:43. 3 Nov: Hi 60.8° (1440) Lo 32.9° (0455) HDD 13 GUST N 20 MPH (1335). *** Six-day span of 76°-79° maximums visited the Lincoln-Way region this week five years ago. One wagers that no one was complaining. NNNN |
| 2025-11-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Nov: CLR 40.1° REL HMDTY 82% AQI 30 DP 35.1° WND SW 7.1 MPH WND CHL 36.1° BRM 30.09 STDY VIS 10 MI Sunrise 6:26 Sunset 4:44. 2 Nov: Hi 54.1° (1535) Lo 32.2° (0700) HDD 18 GUST SW 20 MPH (1355). *** There have been autumns than arid than our present one. A scant 0.31” rain fell in 1904 during the Midwestern cold cycle. NNNN |
| 2025-11-02 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Nov: CLR 40.1° REL HMDTY 82% AQI 30 DP 35.1° WND CSW 7.1 MPH WND CHL 36.1° BRM 30.09 STDY VIS 10 MI Sunrise 6:26 Sunset 4:44. 2 Nov: Hi 54.1° (1535) Lo 32.2° (0700) HDD 18 GUST SW 20 MPH (1355). *** There have been autumns than arid than our present one. A scant 0.31” rain fell in 1904 during the Midwestern cold cycle. NNN |
| 2025-11-01 | 7:00 AM | T | NA | NA | NA | NA | | Precipitation: 2025 35.19" (Normal 33.99") Autumn 4.30" (6.22") October 2.71" (2.95") 1 Nov: CLR 41.7° REL HMDTY 82% AQI 38 DP 36.7° WND W 5.1 MPH WND CHL 38.7° BRM 29.99 STDY VIS 10 MI Sunrise 7:23 Sunset 5:46. 31 Oct: Hi 54.7° (1510) Lo 37.9° (0730) HDD 18 GUST W 20 MPH (1315). *** Snowiest November was in 1940 with 14.8”. 69 years earlier (1871) on 1 November, the first lasting federal temperature data was recorded in Chicago. Observations had earlier been taken but were wiped out in the great fire a month earlier. NNNN |
| 2025-10-31 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Precipitation: 2025 35.19" (Normal 33.99") Autumn 4.30" (6.22") October 2.71" (2.95") 31 Oct: CLR 38.3° REL HMDTY 96% AQI 36 DP 37.6° WND CLM 0.0 MPH WND CHL 38.3° BRM 29.85 STDY VIS 10 MI Sunrise 7:22 Sunset 5:47. 30 Oct: Hi 57.0° (1520) Lo 37.2° (0535) HDD 16 GUST NW 17 MPH (1455). *** 2.5” of heavenly fluff made for the snowiest Halloween in New Lenox. This happened in 2019 and was accompanied by a high of only 33°. Sorry, trick or treaters. NNNN |
| 2025-10-30 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 30 Oct: CLR 40.1° REL HMDTY 94% AQI 36 DP 38.1° WND CLM 0.0 MPH WND CHL 40.1° BRM 29.90 STDY VIS 10 MI Sunrise 7:21 Sunset 5:49. 29 Oct: Hi 55.4° (1310) Lo 39.9° (0646) HDD 14 GUST NE 31 MPH (1155). *** Rainiest October happened in 1954 when 8.7” drenched the Illinois prairie. This year we'll likely end up with only 2.7". NNNN |
| 2025-10-29 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 29 Oct: CLDY 45.5° REL HMDTY 77% AQI 40 DP 38.7° WND NE 12.2 MPH WND CHL 40.5° BRM 29.99 STDY VIS 10 MI Sunrise 7:20 Sunset 5:50. 28 Oct: Hi 57.7° (1335) Lo 42.6° (0715) HDD 12 GUST E 20 MPH (2035). *** One year ago today a warm spell resulted in utter obliteration of previous record high of 78°. Mercury soared to a glorious 83.3° at 1515 hours. NNNN |
| 2025-10-28 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 28 Oct: CLR 42.6° REL HMDTY 88% AQI 42 DP 39.2° WND E 9.1 MPH WND CHL 37.8° BRM 30.09 STDY VIS 10 MI Sunrise 7:18 Sunset 5:51. 27 Oct: Hi 58.8° (1530) Lo 40.6° (0735) HDD 14 GUST NE 20 MPH (1655). *** On a day in 1929 when Northeastern Illinois temperatures featured a chilly high of but 47° and a bit of rain, events at the faraway New York Stock Exchange signaled a drastic economic downturn. Largely due to governmental fumbling, liberal social engineering, and political ineptitude, a horrible 12-year national depression ensued. NNNN |
| 2025-10-27 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 Oct: CLR 41.2° REL HMDTY 89% AQI 48 DP 38.3° WND NE 5.1 MPH WND CHL 38.5° BRM 30.22 STDY VIS 10 MI Sunrise 7:17 Sunset 5:53. 26 Oct: Hi 61.2° (1535) Lo 41.2° (0658) HDD 13 GUST E 18 MPH (1135). *** 1967, the year of a ferocious January blizzard and deadly April tornadoes, also featured OTD a 4.4” snowstorm. NNNN |
| 2025-10-26 | 7:00 AM | T | NA | NA | NA | NA | | 26 Oct: OVRCST 46.8° REL HMDTY 74% AQI 53 DP 39.0° WND NE 7.1 MPH WND CHL 43.8° BRM 30.33 STDY VIS 10 MI Sunrise 7:16 Sunset 5:54. 25 Oct: Hi 53.4° (1340) Lo 38.5° (0700) HDD 19 GUST E 8 MPH (1615). *** 4.03” rain OTD in 2021 was largest total rainfall of 5,904 (as of today, 10/26/2025) CoCoRaHS reports from this station. Exactly two years later, minimum reading was a record 65° - a normal overnight for July 1st. NNNN |
| 2025-10-25 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 25 Oct: OVRCST 38.5° REL HMDTY 87% AQI 35 DP 29.5° WND CLM 0.0 MPH WND CHL 38.5° BRM 30.34 RSG VIS 10 MI Sunrise 7:15 Sunset 5:55. 24 Oct: Hi 54.5° (1700) Lo 29.8° (0700) HDD 21 GUST N 7 MPH (1215). *** Nasty but notable day 65 years ago in Joliet with 53° maximum, irritating rain, and winds 8-12 MPH at 1930 hours as Senator John F. Kennedy – three hours late - arrived to campaign in the City of Champions. NNNN |
| 2025-10-24 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 24 Oct: CLR 30.0° REL HMDTY 99% AQI 34 DP 29.5° WND CLM 0.0 MPH WND CHL 30.0° BRM 30.26 RSG VIS 10 MI Sunrise 7:14 Sunset 5:57. 23 Oct: Hi 54.0° (1625) Lo 29.8° (0631) HDD 19 GUST W 18 MPH (1335). *** Global warming, my sweet? Polar darkness period from April to September 2021 was the coldest on record in Antarctica. NNNN |
| 2025-10-23 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 23 Oct: CLR 34.2° REL HMDTY 94% AQI 36 DP 32.4° WND W 6.1 MPH WND CHL 29.2° BRM 30.05 RSG VIS 10 MI Sunrise 7:13 Sunset 5:58. 22 Oct: Hi 49.3° (1235) Lo 34.2° (0641) HDD 17 GUST W 25 MPH (1315). *** “Frost’s Descent” begins as the final solar term of autumn occurs in our hemisphere. NNNN |
| 2025-10-22 | 7:00 AM | 0.03 | NA | NA | NA | NA | | 22 Oct: OVRCST 44.6° WND CHLL 40.3° REL HMDTY 78% AQI 36 DP 43.3° WND SW 9.2 MPH BRM 29.79 STDY VIS 10 MI Sunrise 7:11 Sunset 6:00. 21 Oct: Hi 55.4° (1135) Lo 44.6° (0638) HDD 14 GUST W 30 MPH (1915). *** 23° overnight lows on October 22nd and the 23rd portended an awful winter that was barely two months away in 1976. NNNN |
| 2025-10-21 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 21 Oct: CLRNG 44.1° WND CHLL 41.1° REL HMDTY 97% AQI 43 DP 43.3° WND SW 6.4 MPH BRM 29.76 STDY VIS 10 MI Sunrise 7:10 Sunset 6:01. 20 Oct: Hi 68.7° (1520) Lo 36.7° (0725) HDD 11 GUST S 30 MPH (1435). *** Recall my recent mention of 3.8” snow on 19 October 1989? Mother Nature smacked the southwest suburbs two days later when the high in New Lenox struggled to only 41°. NNNN |
| 2025-10-20 | 7:00 AM | 0.20 | NA | NA | NA | NA | | 20 Oct: CLR 37.4° REL HMDTY 97% AQI 36 DP 36.7° WND CLM 0.0 MPH BRM 30.01 RSG VIS 10 MI Sunrise 7:09 Sunset 6:03. 19 Oct: Hi 58.5° (1615) Lo 36.3° (0440) HDD 12 GUST W 25 MPH (1615). *** OTD 115 years ago, the World Series featured something that would lead to the end of the dead ball era. Weather was seasonal (57° high with a bit of rain) for a 2 p.m. game but it was a very different factor that made the third game of the World Series very different. At Chicago’s West Side Park, the Philadelphia Athletics and the hosts were the first to use a baseball with a cork center. Thus, a livelier oblate spheroid may well have assisted a whopping 33 runs being tallied in the final trio of games. The visitors departed for the City of Brotherly Love with the winner’s share ($2,063 per player!) in their wallets. 29% more home runs than in 1910 would be hit the next season and the Babe wasn’t anywhere near the big leagues. NNNN |
| 2025-10-19 | 7:00 AM | 0.56 | NA | NA | NA | NA | | 19 Oct: R 51.1° REL HMDTY 98% AQI 39 DP 50.9° WND NW 14.1 MPH BRM 29.56 STDY VIS 10 MI Sunrise 7:08 Sunset 6:04. 18 Oct: Hi 75.6° (1140) Lo 51.1° (0634) CDD 1 GUST NW 31 MPH (0510). *** Snowiest October day was OTD in 1989 when 3.8” of the dreaded white stuff snarled traffic and made a mess of high school football in New Lenox. NNNN |
| 2025-10-18 | 7:00 AM | 0.02 | 0.0 | NA | NA | NA | | 18 Oct: LT R 62.8° REL HMDTY 89% AQI 47 DP 59.4° WND SW 3.1 MPH BRM 29.72 STDY VIS 10 MI Sunrise 7:05 Sunset 6:06. 17 Oct: Hi 74.7° (1515) Lo 53.2° (0715) CDD 1 GUST SW 20 MPH (1215). *** 17 days before being elected 40th President of the United States in 1980, Ronald Reagan spoke in Joliet. The Great Communicator spoke on a typical mid-autumn day that featured a 57° high and 44° low under sunny and calm skies. NNNN |
| 2025-10-17 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 17 Oct: CLR 53.8° REL HMDTY 75% AQI 75 DP 46.0° WND SE 2.2 MPH BRM 30.00 STDY 10 MI Sunrise 7:06 Sunset 6:07. 16 Oct: Hi 71.1° (1530) Lo 53.8° (0639) HDD 2 GUST SE 10 MPH (0915). *** Streak of 140 days with no readings below 60° ended OTD in 2021. NNNN |
| 2025-10-16 | 7:00 AM | T | NA | NA | NA | NA | | 16 Oct: OVRCST 56.5° REL HMDTY 79% AQI 52 DP 50.4° WND E 5.0 MPH BRM 30.20 STDY 10 MI Sunrise 7:05 Sunset 6:09. 15 Oct: Hi 61.9° (1505) Lo 56.5° (0631) HDD 7 GUST NE 12 MPH (1215). *** 1976: An enthusiastic crowd of 15,000 braved 43° temperatures and raw northwest winds of 12-15 MPH to hear/see President Gerald Ford at Union Station in Joliet. NNNN |
| 2025-10-15 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | As Cubs were bounced out of the postseason by the BREWERS, NO FLAG of any sort is flying at 1060 W. Addison 60613. 15 Oct: OVRCST 57.9° REL HMDTY 91% AQI 69 DP 56.3° WND N 4.5 MPH BRM 30.22 STDY 10 MI Sunrise 7:03 Sunset 6:10
. 14 Oct: Hi 70.9° (1510) Lo 57.7° (0620) HDD 3 GUST NE 17 MPH (2135). *** OTD in 1970 I met a young lady in college and studied with her for the first time in Jacksonville, Illinois. Gee, I didn’t even notice the chilly temperatures (low 40s) that night after walking her back to her dorm. We were married 20 months later and still are! NNNN |
| 2025-10-14 | 7:00 AM | T | 0.0 | NA | NA | NA | | 14 Oct: CLRNG 57.7° REL HMDTY 95% AQI 57 DP 56.3° WND N 1.1 MPH BRM 30.26 RSG 10 MI Sunrise 7:02 Sunset 6:12. 13 Oct: Hi 69.8° (1455) Lo 54.3° (0705) HDD 3 GUST SE 5 MPH (1355). *** October 1st through 13th in 1925 was the cloudiest first half of the month in 53 years of local records. Clear skies were present but 27% of the time. 2021 was next with only a 29% stat. Dreary! NNNN |
| 2025-10-13 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 13 Oct: CLDY 55.4° REL HMDTY 76% AQI 45 DP 47.8° WND CLM 0.0 MPH BRM 30.03 RSG 10 MI Sunrise 7:01 Sunset 6:13. 12 Oct: Hi 71.4° (1520) Lo 46.6° (0700) HDD 6 GUST E 10 MPH (1535). *** Toastiest Columbus Day was in 1975 (14 October) as Jolietans sweated an 89° high. Chilliest came in 1987 (12 October) when the mercury frosted at 30°. NNNN |
| 2025-10-12 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 12 Oct: CLR 46.4° REL HMDTY 96% AQI 43 DP 45.3° WND CLM 0.0 MPH BRM 30.02 STDY 10 MI Sunrise 7:00 Sunset 6:15. 11 Oct: Hi 67.1° (1110) Lo 46.0° (0620) HDD 8 GUST NE 17 MPH (1635). *** Ugh! 0.3” snow fell OTD in 2006 and extremes were 39° and 30°. Very early in autumn to have registered 30 heating degree days. NNNN |
| 2025-10-11 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 11 Oct: CLR 45.8° REL HMDTY 83% AQI 43 DP 48.9° WND N 1.1 MPH BRM 30.13 STDY 10 MI Sunrise 6:59 Sunset 6:16. 10 Oct: Hi 68.0° (1400) Lo 45.5° (0700) HDD 6 GUST SW 20 MPH (1315). *** Mild extremes of 52° and 45°, southwest winds of 4-8 MPH, and full sun were present as the world’s tallest man (8’11”), Robert Wadlow, visited Joliet in 1935. NNNN |
| 2025-10-10 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 10 Oct: CLR 45.1° REL HMDTY 83% AQI 39 DP 39.0° WND E 1.1 MPH BRM 30.24 STDY 10 MI Sunrise 6:58 Sunset 6:18. 9 Oct: Hi 67.1° (1645) Lo 44.6° (0720) HDD 9 GUST E 16 MPH (1415). *** Hickory/Spring Creek flood in New Lenox and Joliet began at 1 a.m. OTD in 1954. Discharge rate of Hickory Creek was an astounding 8,130 per cubic SECOND. 4.9” rain in 24 hours caused the massive U.S. Steel works to be flooded and, thus, be shut down for two days. Damage to local properties was $350,000 ($4,300,000 in 2025 money). NNNN |
| 2025-10-09 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 9 Oct: CLR 45.5° REL HMDTY 77% AQI 48 DP 38.8° WND SE 6.0 MPH BRM 30.45 STDY 10 MI Sunrise 6:57 Sunset 6:20. 8 Oct: Hi 65.1° (1125) Lo 45.7° (0627) HDD 9 GUST E 17 MPH (1315). *** Second consecutive night with a minimum of 29° (27 HDD) chilled the southwest suburbs OTD in 1987. NNNN |
| 2025-10-08 | 7:00 AM | 0.24 | NA | NA | NA | NA | | 9 Oct: CLR 45.5° REL HMDTY 77% AQI 48 DP 38.8° WND SE 6.0 MPH BRM 30.45 STDY 10 MI Sunrise 6:57 Sunset 6:20. 8 Oct: Hi 65.1° (1125) Lo 45.7° (0627) HDD 9 GUST E 17 MPH (1315). *** Second consecutive night with a minimum of 29° (27 HDD) chilled the southwest suburbs OTD in 1987. NNNN |
| 2025-10-07 | 6:00 AM | 1.63 | NA | NA | NA | NA | | "L" flag flying! 7 Oct: LT R 62.4° REL HMDTY 99% AQI NA DP 62.2° WND CLM 0.0 MPH BRM 30.01 STDY VIS 10 MI Sunrise 6:55 Sunset 6:23. 6 Oct: Hi 86.4° (1605) PK WBGT: White flag-> no cautions Lo 61.2° (0700) CDD 8 GUST S 24 MPH (1515). *** 88° high OTD in 2007 made for horrible conditions during the Chicago marathon. 300 runners collapsed and had to be hospitalized and one man died near the finish. No relief the next day with 87° the high and a low of but 68°. NNNN |
| 2025-10-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 306 hours since the last drop of rain landed on these arid lands! 6 Oct: CLDS 61.0° REL HMDTY 92% AQI 21 DP 58.8° WND CLM 0.0 MPH BRM 30.09 STDY VIS 10 MI Sunrise 6:54 Sunset 6:25. 5 Oct: Hi 85.6° (1525) PK WBGT: White flag-> no cautions Lo 60.3° (0725) CDD 10 GUST S 24 MPH (1515). *** 94° OTD in 1963 was and still is the latest 90+ on our Gregorian calendar. NNNN |
| 2025-10-05 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | "L" flag flying! 5 Oct: CLR 60.8° REL HMDTY 83% AQI 55 DP 55.8° WND CLM 0.0 MPH BRM 30.11 STDY VIS 10 MI Sunrise 6:52 Sunset 6:26. 4 Oct: Hi 89.1° (1515) PK WBGT: Green flag @ 1515-> cautions after 45 minutes outdoors Lo 60.8° (0530) CDD 13 GUST S 17 MPH (1415). *** My COCORAHS report from this date in 2014: “Very difficult day to have logged 11 miles on my bike: high of only 45.6°, a bit of snow plus irritating rain, and strong gales from west. This morning the wind has shifted to southwest and skies are clear but mercury is at 39.2° after 35.4° low.” NNNN |
| 2025-10-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 4 Oct: CLR 61.5° REL HMDTY 92% AQI 64 DP 59.2° WND CLM 0.0 MPH BRM 30.14 STDY VIS 10 MI Sunrise 6:51 Sunset 6:28. 3 Oct: Hi 90.5° (28th of 2025 @ 1700) PK WBGT: Green flag @ 1700-> cautions after 45 minutes outdoors Lo 60.8° (0700) CDD 12 GUST S 6 MPH (1255). *** A 87° high sizzled Joliet OTD in 2018 but conditions this afternoon may be hotter. NNNN |
| 2025-10-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Oct: CLR 61.9° REL HMDTY 81% AQI 53 DP 56.1° WND CLM 0.0 MPH BRM 30.20 STDY VIS 10 MI Sunrise 6:50 Sunset 6:30. 2 Oct: Hi 86.5° (1620) PK WBGT: White flag-> no cautions Lo 56.3° (0709) CDD 7 GUST SE 7 MPH (2215). *** Wettest October tallied 12.11” rain in 1954 while the driest saw but 0.18” fall in 1897. Channel 2’s spritely Mary Kay Kleist was born OTD in 1970. NNNN |
| 2025-10-02 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 2 Oct: CLR 56.7° REL HMDTY 79% AQI 13 DP 52.5° WND CLM 0.0 MPH BRM 30.23 STDY VIS 10 MI Sunrise 6:49 Sunset 6:31. 1 Oct: Hi 78.8° (1500) PK WBGT: White flag-> no cautions Lo 56.3° (0539) CDD NA GUST E 13 MPH (1655). *** A 91° OTD in 1971 marked the last day of a peculiar – as in very late - 90+ heat wave that stretched over a week. NNNN |
| 2025-10-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 1 Oct: CLR 59.7° REL HMDTY 78% AQI 33 DP 52.5° WND CLM 0.0 MPH BRM 30.19 STDY VIS 10 MI Sunrise 6:48 Sunset 6:33. 30 Sep: Hi 83.1° (1640) PK WBGT: White flag-> no cautions Lo 59.7° (0645) CDD 8 GUST NE 18 MPH (1515). *** The first weather records were recorded in Northeastern Illinois OTD in 1870. A certain little fire on 8 October 1871 later destroyed all 373 days of annals. NNNN |
| 2025-09-30 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rain: 2025 32.51" normal 32.04" September 1.60" normal 3.17" 30 Sep: CLR 59.5° REL HMDTY 97% AQI 33 DP 62.2° WND CLM 0.0 MPH BRM 30.19 STDY VIS 10 MI Sunrise 6:45 Sunset 6:35. 29 Sep: Hi 89.4° (1640) PK WBGT: Green flag @ 1640 -> caution after 45 minutes in the sun Lo 59.2° (0700) CDD 11 GUST SW 8 MPH (1325). *** Hottest September in Northeastern Illinois? 2020 recorded a 71.2° average in 2020. NNN |
| 2025-09-29 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rain: 2025 32.51" normal 32.04" September 1.60" normal 3.17" 29 Sep: LT FG 59.5° REL HMDTY 89% AQI 33 DP 56.5° WND CLM 0.0 MPH BRM 30.21 RSG VIS 3 MI Sunrise 6:44 Sunset 6:37. 28 Sep: Hi 82.0° (1605) PK WBGT: White flag -> no cautions Lo 56.7° (0710) CDD 6 GUST E 10 MPH (1755). *** Wettest September? 13.2” rain soaked New Lenox in 1961. NNNN |
| 2025-09-28 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rain: 2025 32.51" normal 32.04" September 1.60" normal 3.17" 28 Sep: CLR 57.2° REL HMDTY 95% AQI 53 DP 55.9° WND CLM 0.0 MPH BRM 30.09 RSG VIS 10 MI Sunrise 6:43 Sunset 6:39. 27 Sep: Hi 87.4° (1615) PK WBGT: White flag -> no cautions Lo 54.3° (0700) CDD 10 GUST SW 9 MPH (1515). *** Polar darkness period from April through September 2021 was coldest on record in Antarctica. Global warming? Not quite. Weather Channel legend Charlie Welsh was born on September 28, 1925 (died 2000). NNNN |
| 2025-09-27 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 Sep: CLR 57.0° REL HMDTY 87% AQI 39 DP 53.2° WND CLM 0.0 MPH BRM 29.94 STDY VIS 10 MI Sunrise 6:42 Sunset 6:40. 26 Sep: Hi 83.7° (1720) PK WBGT: White flag -> no cautions Lo 54.0° (0750) CDD 6 GUST SW 7 MPH (1115). *** The first of six consecutive days of mid-autumn, 90°+ heat fried Joliet in 1971. Record still stands more than a half-century later! NNNN |
| 2025-09-26 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 26 Sep: LT FG 54.1° REL HMDTY 99% AQI 33 DP 53.8° WND CLM 0.0 MPH BRM 29.93 STDY VIS 1.0 MI Sunrise 6:41 Sunset 6:42. 25 Sep: Hi 77.5° (1605) PK WBGT: White flag -> no cautions Lo 53.6° (0550) CDD 3 GUST N 9 MPH (1215). *** The Coolidge election campaign came through Joliet OTD in 1924. Despite gale winds and some rain, supporters of Silent Cal enjoyed the balmy maximum temperature of 76°. NNNN |
| 2025-09-25 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 25 Sep: PRTLY CLDY 61.0° REL HMDTY 90% AQI 22 DP 58.1° WND NW 5.8 MPH BRM 29.95 STDY VIS 10 MI Sunrise 6:40 Sunset 6:44. 24 Sep: Hi 74.8° (1420) PK WBGT: White flag -> no cautions Lo 63.7° (0700) CDD 2 GUST NE 17 MPH (1735). *** The area’s earliest snow – but a trace – fell on this date in 1942. Incredible! NNNN |
| 2025-09-24 | 7:00 AM | 0.28 | NA | NA | NA | NA | | 24 Sep: PRTLY CLDY 64.0° REL HMDTY 95% AQI 17 DP 62.6° WND NW 1.1 MPH BRM 29.99 STDY VIS 10 MI Sunrise 6:39 Sunset 6:45. 23 Sep: Hi 77.5° (1505) PK WBGT: White flag -> no cautions Lo 63.7° (0700) CDD 7 GUST NE 18 MPH (1735). *** In the estimation of this faux meteorologist, this date on the calendar may be the most pleasant in the entire Joliet/Northeastern Illinois calendar in over 150+ years of annals. Armchair evidence? Daily maximum has never been up to 93°, morning low has never been at/below freezing, daily maximum hasn’t fallen below 56°, snow has never graced the Region of Reagan, and the greatest amount of rain was but 1.52” in 1945. Your polemics are welcomed. NNNN |
| 2025-09-23 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 23 Sep: CLR 63.3° REL HMDTY 99% AQI 37 DP 63.0° WND CLM 0.0 MPH BRM 29.87 STDY VIS 10 MI Sunrise 6:39 Sunset 6:47. 22 Sep: Hi 83.1° (1705) PK WBGT: White flag -> no cautions Lo 63.1° (0540) CDD 9 GUST S 17 MPH (1215). *** Cold as the weather was on 22 September 1995, the region froze again OTD when the thermometer showed 29° 24 hours later. NNNN |
| 2025-09-22 | 7:00 AM | 0.38 | NA | NA | NA | NA | | 22 Sep: CLDY 63.7° REL HMDTY 98% AQI 33 DP 63.1° WND CLM 0.0 MPH BRM 29.92 STDY VIS 10 MI Sunrise 6:38 Sunset 6:49. 21 Sep: Hi 80.8° (1405) PK WBGT: White flag -> no cautions Lo 63.7° (0632) CDD 10 GUST S 9 MPH (1315). *** The Chicago area’s earliest freeze occurred 30 years ago (1995) as the mercury sank to 32°. NNNN |
| 2025-09-21 | 7:00 AM | 0.23 | NA | NA | NA | NA | | 21 Sep: OVRCST 64.2° REL HMDTY 99% AQI 52 DP 63.7° WND CLM 0.0 MPH BRM 29.97 STDY VIS 9 MI Sunrise 6:37 Sunset 6:51. 20 Sep: Hi 78.1° (1045) PK WBGT: White flag -> no cautions Lo 64.0° (0725) CDD 7 GUST W 24 MPH (1645). *** Like extremes? The first of eight consecutive autumnal days of heat with highs between 90° and 93° came along in 2017. Conversely, 1899’s high on the same date in Joliet reached only 44°. Brr! NNNN |
| 2025-09-20 | 7:00 AM | 0.28 | NA | NA | NA | NA | | 20 Sep: CLDY 64.8° REL HMDTY 93% AQI 42 DP 62.6° WND SE 5.0 MPH BRM 30.02 STDY VIS 10 MI Sunrise 6:36 Sunset 6:52. 19 Sep: Hi 87.8° (1325) PK WBGT 1300: Green flag -> caution after 45 minutes in the sun Lo 63.5° (0715) CDD 13 GUST SE 30 MPH (0330). *** 523.5 hours without measurable rain ended in New Lenox when 0.03" cascaded from the heavens at 1030 hours one year ago today. Even better, the anniversary of our lovely Emily Wahls’ birth is celebrated this day. NNNN |
| 2025-09-19 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 19 Sep: CLR 64.2° REL HMDTY 79% AQI 53 DP 57.8° WND CLM 0.0 MPH BRM 30.02 STDY VIS 10 MI Sunrise 6:35 Sunset 6:54. 18 Sep: Hi 89.2° (1605) PK WBGT 1700: Yellow flag -> caution after 30 minutes in the sun Lo 59.9° (0705) CDD 9 GUST E 9 MPH (1855). *** Final day of four-day September heat wave mercifully occurred OTD in 1955 as 15-20 MPH winds off Lake Michigan brought afternoon delight. Lowest maximum over the span had been 92°. NNNN |
| 2025-09-18 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 18 Sep: LT FG 59.7° REL HMDTY 96% AQI 58 DP 58.6° WND CLM 0.0 MPH BRM 30.13 STDY VIS 5 MI Sunrise 6:34 Sunset 6:56. 17 Sep: Hi 87.3° (1600) PK WBGT 1600: Green flag -> caution after 45 minutes in the sun Lo 58.5° (0700) CDD 7 GUST NE 8 MPH (1315). *** EF-0 tornado in neighboring Frankfort OTD in 2013 did minor damage to Good Shepherd Lutheran Church. NNNN |
| 2025-09-17 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 17 Sep: LT FG 59.2° REL HMDTY 98% AQI 54 DP 59.0° WND CLM 0.0 MPH BRM 30.10 STDY VIS 5 MI Sunrise 6:32 Sunset 6:57. 16 Sep: Hi 84.0° (1140) PK WBGT: White flag -> no cautions Lo 58.6° (0700) CDD 8 GUST NE 12 MPH (1735). *** Final 90° of a whopping 47 in 1988. The total still stands as a record all these years later. NNNN |
| 2025-09-16 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 16 Sep: CLR 58.6° REL HMDTY 94% AQI 54 DP 56.7° WND CLM 0.0 MPH BRM 30.20 STDY VIS 7 MI Sunrise 6:31 Sunset 6:59. 15 Sep: Hi 88.7° (1530) PK WBGT: Green flag @ 1530 -> caution after 45 minutes in sun Lo 58.6° (0630) CDD 9 GUST E 16 MPH (1755). *** Unremarkable date in local weather history with but a 41° minimum in 2011 to affix a red letter. NNNN |
| 2025-09-15 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 15 Sep: CLR 63.1° REL HMDTY 79% AQI 52 DP 56.5° WND CLM 0.0 MPH BRM 30.15 STDY VIS 10 MI Sunrise 6:30 Sunset 7:01. 14 Sep: Hi 87.4° (1535) PK WBGT: Green flag @ 1535 -> caution after 45 minutes in sun Lo 63.0° (0645) CDD 8 GUST NE 16 MPH (1755). *** Breezy, sunny, and 79° as Ike campaigned through north New Lenox/east Joliet OTD in 1952. My Dad (on his 25th birthday) and I were within handshaking distance of the future president. NNNN |
| 2025-09-14 | 6:00 AM | 0.41 | NA | NA | NA | NA | | 14 Sep: FG 63.0° REL HMDTY 98% AQI 59 DP 62.4° WND CLM 0.0 MPH BRM 30.01 STDY VIS 4 MI Sunrise 6:29 Sunset 7:03. 13 Sep: Hi 80.6° (1700) PK WBGT: Green flag @ 1630 -> caution after 45 minutes in sun Lo 62.2° (0940) CDD 6 GUST SE 22 MPH (1055). *** With World War II underway just 13 days earlier, locals endured a 99° on this date (hereafter "OTD") in 1939. NNNN |
| 2025-09-13 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 13 Sep: OVRCST 64.9° REL HMDTY 74% AQI 52 DP 56.5° WND CLM 0.0 MPH BRM 30.04 STDY VIS 10 MI Sunrise 6:28 Sunset 7:04. 12 Sep: Hi 86.5° (1640) PK WBGT: Green flag @ 1330 -> caution after 45 minutes in sun Lo 58.8° (0705) CDD 7 GUST S 10 MPH (1535). *** A whopping 6.64” rain fell in New Lenox on this date (hereafter "OTD") in 2008. NNNN |
| 2025-09-12 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 12 Sep: LT FG 59.5° REL HMDTY 100% AQI 43 DP 59.0° WND CLM 0.0 MPH BRM 30.19 STDY VIS 1.0 MI Sunrise 6:27 Sunset 7:06. 11 Sep: Hi 82.9° (1445) PK WBGT: Green flag cautions after 45 minutes in sun Lo 59.5° (0610) CDD 5 GUST E 10 MPH (1435). *** On perhaps the only day in the last 110 years without any airplanes in the sky, Joliet basked in late summer weather featuring a high of 80° and low of but 53° on this date in 2001. NNNN |
| 2025-09-11 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 11 Sep: OVRCST 63.7° REL HMDTY 95% AQI 47 DP 62.2° WND CLM 0.0 MPH BRM 30.18 RSG VIS 10 MI Sunrise 6:26 Sunset 7:08. 10 Sep: Hi 85.6° (1710) PK WBGT: Green flag cautions after 45 minutes in sun Lo 56.7° (0715) CDD 6 GUST SE 7 MPH (1315). *** 8:46 a.m. conditions (EDT) at NYC’s Central Park weather station on this date in 2001: sunny, 68°, humidity 68%, and a gentle northwest breeze @ 10 MPH. Minutes later, the glorious weather was forgotten. NNNN |
| 2025-09-10 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | -> One day in the most recent 20 days with any rain; none in the last two weeks 10 Sep: CLR 57.6° REL HMDTY 80% AQI 38 DP 51.8° WND CLM 0.0 MPH BRM 30.12 STDY VIS 10 MI Sunrise 6:25 Sunset 7:10. 9 Sep: Hi 77.5° (1700) PK WBGT: White flag no cautions Lo 50.0° (0700) HDD/CDD 0 GUST SE 8 MPH (1635). *** Only in Northeastern Illinois: 101° on this date in 1897, 41° in 1949. NNNN |
| 2025-09-09 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 9 Sep: CLR 49.5° REL HMDTY 78% AQI 31 DP 43.2° WND CLM 0.0 MPH BRM 30.17 STDY VIS 10 MI Sunrise 6:24 Sunset 7:11. 8 Sep: Hi 74.3° (1550) PK WBGT: White flag no cautions Lo 50.1° (0700) HDD 4 GUST S 8 MPH (1335). *** The second of back-to-back 150-year lows (37°) visited us in 1986. NNNN |
| 2025-09-08 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8 Sep: CLR 45.0° REL HMDTY 91% AQI 33 DP 42.6° WND CLM 0.0 MPH BRM 30.29 STDY VIS 10 MI Sunrise 6:23 Sunset 7:13. 7 Sep: Hi 67.8° (1615) PK WBGT: White flag no cautions Lo 44.6° (0700) HDD 7 GUST N 16 MPH (1135). *** First of back-to-back record lows in 1986 (38°) happened on this date. NNNN |
| 2025-09-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 Sep: CLR 43.5° REL HMDTY 98% AQI 27 DP 43.3° WND CLM 0.0 MPH BRM 30.16 STDY VIS 10 MI Sunrise 6:22 Sunset 7:15. 6 Sep: Hi 68.1° (1625) PK WBGT: White flag no cautions Lo 43.2° (0625) HDD 7 GUST W 18 MPH (1055). *** In 150+ years of Northeastern Illinois records, the latest 100° in the calendar year was measured in Joliet on this date in 1960. NNNN |
| 2025-09-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6 Sep: CLR 43.9° REL HMDTY 97% AQI 19 DP 43.2° WND CLM 0.0 MPH BRM 30.01 STDY VIS 10 MI Sunrise 6:21 Sunset 7:16. 5 Sep: Hi 69.1° (1730) PK WBGT: White flag no cautions Lo 43.7° (0555) HDD 5 GUST W 23.3 MPH (1335). *** The Lincoln-Way area’s highest overnight September low of 78° went into the books in 1881: long before there was a Lincoln-Way anything! NNNN |
| 2025-09-05 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5 Sep: CLR 58.1° REL HMDTY 74% AQI 61 DP 50.5° WND SW 8.1 MPH BRM 29.69 STDY VIS 10 MI Sunrise 6:20 Sunset 7:18. 4 Sep: Hi 69.1° (1545) PK WBGT: White flag no cautions Lo 47.5° (0700) HDD 8 GUST SW 16.3 MPH (1735). *** This fine autumn day marked the end of 1973’s 10 days of 90°+ temperatures. NNNN |
| 2025-09-04 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 4 Sep: CLR 47.3° REL HMDTY 94% AQI 55 DP 45.9° WND NW 1.1 MPH BRM 29.83 STDY VIS 10 MI Sunrise 6:19 Sunset 7:20. 3 Sep: Hi 74.8° (1140) PK WBGT: White flag no cautions Lo 47.3° (0614) HDD 1 GUST SW 10.3 MPH (1140). *** Those poor folks of 1894: 2.85” rain on this date during the heart of the 1880-1915 cool cycle of Midwestern weather. NNNN |
| 2025-09-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Sep: CLR 55.9° REL HMDTY 94% AQI 40 DP 54.1° WND SW 3.0 MPH BRM 29.87 STDY VIS 10 MI Sunrise 6:18 Sunset 7:21. 2 Sep: Hi 81.6° (1535) PK WBGT: Green flag @ 1535 -> caution after 45 minutes in the sun Lo 55.9° (0618) CDD 5 GUST SW 6 MPH (1615). *** Thank the Lord! This was the finale of the 90°+ 11-day heat wave in 1953. NNNN |
| 2025-09-02 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 2 Sep: FG/MST 57.7° REL HMDTY 98% AQI 47 DP 56.7° WND CLM 0.0 MPH BRM 30.11 STDY VIS 7 MI Sunrise 6:18 Sunset 7:23. 1 Sep: Hi 79.0° (1555) PK WBGT: White flag-> no cautions Lo 56.8° (0605) CDD 3 GUST NE 10 MPH (1435). *** Driest September happened in 1979 when only 0.1” rain fell. Wettest in local annals came 18 years earlier as 13.9" drenched the City of Champions. NNNN |
| 2025-09-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 1 Sep: CLR 57.6° REL HMDTY 91% AQI 49 DP 54.9° WND CLM 0.0 MPH BRM 30.24 STDY VIS 10 MI Sunrise 6:17 Sunset 7:25. 31 Aug: Hi 79.5° (1605) PK WBGT: White flag-> no cautions Lo 54.7° (0700) CDD/HDD 0 GUST NE 8 MPH (1835). *** Driest meteorological summers: #1 1894 #2 1988 #3 2005. This year came nowhere close to placing in the high echelon for that arid meteorological statistic. In fact, this is like comparing the 1927 Yankees to the 1962 Cubs. NNNN |
| 2025-08-31 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rainfall: August 6.47" (normal 4.01") Summer 18.19" (n 12.73") 2025 30.91" (28.07") 31 Aug: CLR 54.7° REL HMDTY 97% AQI 43 DP 54.1° WND CLM 0.0 MPH BRM 30.23 STDY VIS 10 MI Sunrise 6:17 Sunset 7:26. 30 Aug: Hi 76.6° (1530) PK WBGT White flag-> no cautions Lo 54.7° (0607) CDD 3 GUST E 8 MPH (1815). *** Don’t believe the Chicken Littles of these days. 1947 - 78 years ago - was the warmest August in the history of Joliet, Illinois. The average daily high temperature was 92.4° and the average low was 66.4°. Coolest? August of 1992 took the trophy in the history of the City of Champions. The average daily high temperature was 78.1° °F, and the average low was 57.6°. Wettest August? 10.8” rain in Joliet in 2007. Driest? 1894 had no rain while 1988 and 2005 experienced but a few drops. NNNN |
| 2025-08-30 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 30 Aug: OVRCST 59.2° REL HMDTY 91% AQI 23 DP 56.8° WND CLM 0.0 MPH BRM 30.14 STDY VIS 10 MI Sunrise 6:16 Sunset 7:28. 29 Aug: Hi 74.7° (1505) PK WBGT White flag-> no cautions Lo 59.2° (0635) HDD 2 GUST E 9 MPH (1855). *** Only sub-40° Joliet reading in August occurred on this date in 1986 when mercury bottomed at 39°. NNNN |
| 2025-08-29 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 29 Aug: CLR 51.3° REL HMDTY 96% AQI 19 DP 50.2° WND CLM 0.0 MPH BRM 30.16 STDY VIS 10 MI Sunrise 6:15 Sunset 7:29. 28 Aug: Hi 80.1° (1510) PK WBGT 80.3° (1510) Green Flag -> caution after 45 minutes outdoors Lo 51.3° (0615) CDD 4 GUST NE 21 MPH (1915). *** Maximum temperature reached but 67° on this date in the cool summer of 1982. NNNN |
| 2025-08-28 | 7:00 AM | 0.35 | NA | NA | NA | NA | | 28 Aug: LT R 60.3° REL HMDTY 98% AQI 28 DP 59.7° WND SW 5.1 MPH BRM 30.11 STDY VIS 10 MI Sunrise 6:14 Sunset 7:31. 27 Aug: Hi 77.7° (1505) PK WBGT White Flag -> no warnings Lo 50.9° (0700) CDD 1 GUST W 16 MPH (1415). *** Rainy as it’s been the last few months, we’ve had nothing compared to conditions four decades ago. Wettest Northeastern Illinois meteorological summer (June/July/August) occurred in 1987 when 23.5” rain drenched the region. NNNN |
| 2025-08-27 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 Aug: CLR 50.5° REL HMDTY 98% AQI 47 DP 50.0° WND CLM 0.0 MPH BRM 30.23 STDY VIS 10 MI Sunrise 6:13 Sunset 7:32. 26 Aug: Hi 74.7° (1455) PK WBGT White Flag -> no warnings Lo 50.2° (0500) HDD 1 GUST W 20 MPH (1355). *** In 1986 was the coldest August day in 154 years of weather records in Northeastern Illinois. The overnight low was 42°. Conversely, 99° of heat in Joliet last year (2024). Another record! NNNN |
| 2025-08-26 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 26 Aug: CLR 48.9° REL HMDTY 97% AQI 25 DP 48.2° WND CLM 0.0 MPH BRM 30.17 STDY VIS 10 MI Sunrise 6:12 Sunset 7:34. 25 Aug: Hi 70.0° (1605) PK WBGT White Flag -> no warnings Lo 48.9° (0600) HDD 2 GUST N 17 MPH (1315). *** 97° on this fine date in 1973 and 97° the following day, too. NNNN |
| 2025-08-25 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 25 Aug: CLRNG 52.9° REL HMDTY 89% AQI 19 DP 49.8° WND CLM 0.0 MPH BRM 30.03 STDY VIS 10 MI Sunrise 6:10 Sunset 7:36. 24 Aug: Hi 73.2° (1630) PK WBGT White Flag -> no warnings Lo 52.9° (0530) CDD 1 GUST W 21 MPH (1415). *** Lowest record daily maximum in August was a 95° in 2003. NNNN |
| 2025-08-24 | 7:00 AM | T | NA | NA | NA | NA | | 24 Aug: CLRNG 53.8° REL HMDTY 99% AQI 26 DP 53.4° WND CLM 0.0 MPH BRM 29.98 STDY VIS 10 MI Sunrise 6:09 Sunset 7:37. 23 Aug: Tr 0815 Hi 83.8° (1405) PK WBGT 83.7° (1405) Green Flag -> Caution after 45 minutes outdoors Lo 53.4° (0615) CDD 8 GUST NW 21 MPH (1635). *** Gee, 100° two years ago (2023). Hadn’t had one since 2012. NNNN |
| 2025-08-23 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 23 Aug: OVRCST 65.5° REL HMDTY 93% AQI 31 DP 63.1° WND SW 5.0 MPH BRM 29.96 STDY VIS 10 MI Sunrise 6:08 Sunset 7:39. 22 Aug: Hi 83.3° (1625) PK WBGT 83.7° (1625) Green Flag -> Caution after 45 minutes outdoors Lo 62.4° (0700) CDD 7 GUST SW 7 MPH (1455). *** Our late, lovely sweetheart Jeanetta Jones of The Weather Channel was born this day in 1960. NNNN |
| 2025-08-22 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 22 Aug: LT FG 60.8° REL HMDTY 99% AQI 25 DP 60.1° WND CLM 0.0 MPH BRM 30.09 STDY VIS 1 MI Sunrise 6:07 Sunset 7:40. 21 Aug: Hi 77.9° (1430) PK WBGT --.-° (----) White Flag -> no curtailment of outdoor activities Lo 60.3° (0530) CDD 9 GUST NE 18 MPH (1555). *** Only five days in 1936 had readings over 90° but a scorching 99° happened on this late date. NNNN |
| 2025-08-21 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 21 Aug: CLR 63.5° REL HMDTY 98% AQI 17 DP 63.1° WND CLM 0.0 MPH BRM 30.07 STDY VIS 10 MI Sunrise 6:06 Sunset 7:42. 20 Aug: Hi 77.7° (1520) PK WBGT --.-° (----) White Flag -> no curtailment of outdoor activities Lo 66.4° (0430) CDD 9 GUST N 16 MPH (1615). *** 99° in Joliet 1955 but schoolkids were not sweating. Classes didn’t start until after Labor Day in those times. NNNN |
| 2025-08-20 | 7:00 AM | T | NA | NA | NA | NA | | 20 Aug: CLRNG 66.7° REL HMDTY 99% AQI 21 DP 66.4° WND CLM 0.0 MPH BRM 30.05 STDY VIS 10 MI Sunrise 6:05 Sunset 7:43. 19 Aug: Hi 81.9° (1415) PK WBGT 83.9° (1415) Green Flag -> pause outdoor activities every 45 minutes Lo 66.4° (0430) CDD 9 GUST N 16 MPH (2615). *** Camille continued her devastating path east of New Orleans at Bay St. Louis, Mississippi on this date in 1969 with 175 MPH winds and a 24.5’ storm tide. Closer to home, an EF-0 tornado skimmed Manhattan in 2018. NNNN |
| 2025-08-19 | 7:00 AM | 2.13 | NA | NA | NA | NA | | 19 Aug: OVRCST 71.8° REL HMDTY 99% AQI 27 DP 71.4° WND CLM 0.0 MPH BRM 29.96 STDY VIS 10 MI Sunrise 6:04 Sunset 7:45. 18 Aug: Hi 86.5° (1635) PK WBGT 92.9° (1635) Black Flag -> cease outdoor activities Lo 70.7° (0655) CDD 14 GUST W 28 MPH (2015). *** This date in 1916 was the beginning of 84 hours of smothering Northeastern Illinois heat late in meteorological summer. Following a mark of 82° at midnight, the 19th had extremes of 93°/80°, 91°/80° a day later, and 97°/82° on the 21st. Only 1.05” rain fell that August. NNNN |
| 2025-08-18 | 7:00 AM | 0.02 | NA | NA | NA | NA | | 18 Aug: OVRCST 70.9° REL HMDTY 94% AQI 26 DP 68.9° WND CLM 0.0 MPH BRM 30.06 STDY VIS 10 MI Sunrise 6:03 Sunset 7:46. 17 Aug: Hi 85.6° (1330) PK WBGT 86.8° 1330 Yellow Flag -> caution after 30 minutes exposure Lo 70.9° (0639) CDD 10 GUST NE 10 MPH (1655). *** A truly oppressive New Lenox day in 1990: 91° (16 CDD) and 3” rain. NNNN |
| 2025-08-17 | 7:00 AM | 2.22 | NA | NA | NA | NA | | 17 Aug: OVRCST 69.4° REL HMDTY 99% AQI 36 DP 69.1° WND NW 1.1 MPH BRM 30.05 STDY VIS 10 MI Sunrise 6:02 Sunset 7:48. 16 Aug: Hi 92.8° (1440) PK WBGT 90.3° 1513 BLACK Flag -> outdoor exertion should cease Lo 68.5° (0345) CDD 19 GUST N 43 MPH (1735). *** More heat late in '88! Joliet sweltered with a 98° on this date in 1988 It was the 46th day of a record 47 days that summer with reading of 90° or worse. NNNN |
| 2025-08-16 | 7:00 AM | T | NA | NA | NA | NA | | 16 Aug: CLR 70.7° REL HMDTY 97% AQI 55 DP 70.0° WND CLM 0.0 MPH BRM 30.04 STDY VIS 10 MI Sunrise 6:01 Sunset 7:49. 15 Aug: Hi 92.7° (1705) PK WBGT 95.1° 1615 BLACK Flag -> outdoor exertion should cease Lo 70.7° (0642) CDD 15 GUST S 8 MPH (1435). *** In blinding early morning fog on this date in 1873, a passenger train collided with a coal train in Joliet. Both trains were traveling at full speed. 17 died and 40 were seriously injured. NNNN |
| 2025-08-15 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6000th CoCoRaHS Observation 15 Aug: PRTLY CLDY 68.7° REL HMDTY 84% AQI 78 DP 63.7° WND CLM 0.0 MPH BRM 30.08 STDY VIS 10 MI Sunrise 6:00 Sunset 7:51. 14 Aug: Hi 86.9° (1700) PK WBGT 87.4° 1525 Yellow Flag -> danger after 30 minutes Lo 65.7° (0210) CDD 10 GUST E 7 MPH (1255). *** EF-2 tornado in New Lenox on this date in 1993 damaged only one home (four doors south of here) but the rest of neighborhood was untouched. My wife's roses weren't even touched! NNNN |
| 2025-08-14 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5,999th CoCoRaHS Observation 14 Aug: FG/MST 63.0° REL HMDTY 99% AQI 55 DP 62.8° WND CLM 0.0 MPH BRM 30.01 STDY VIS 1 MI Sunrise 5:59 Sunset 7:52. 13 Aug: Hi 85.8° (1420) PK WBGT White Flag -> little danger Lo 62.8° (0530) CDD 13 GUST NW 7 MPH (1815). *** Torrential rains flooded Northeastern Illinois from 13 August 1987 to the 16th. 12.84”! NNNN |
| 2025-08-13 | 6:00 AM | 1.73 | NA | NA | NA | NA | | 13 Aug: FG 74.5° REL HMDTY 99% AQI 34 DP 68.0° WND CLM 0.0 MPH BRM 29.92 STDY VIS 7 MI Sunrise 5:58 Sunset 7:53. 12 Aug: Hi 87.1° (1245) PK WBGT 82.6° (1335) Green Flag danger after 45 minutes of outdoor exertion Lo 68.0° (0350) CDD 14 GUST S 24 MPH (1615). *** This soggy date in 1987 brought 2.9” precipitation and was the beginning of a four-day wet monsoon which poured over a foot of rain on Joliet. NNNN |
| 2025-08-12 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 12 Aug: PRTLY CLDY 74.5° REL HMDTY 93% AQI 44 DP 72.1° WND CLM 0.0 MPH BRM 29.98 STDY VIS 7 MI Sunrise 5:57 Sunset 7:55. 11 Aug: Hi 89.2° (1710) PK WBGT 86.3° (1620) Yellow Flag danger after 30 minutes of outdoor exertion Lo 72.5° (0650) CDD 16 GUST SW 12.5 MPH (1235). *** Yet another awful day in 1918 brought maximum temperature of 101° It was the third 100°+ reading in a week. Hey Virginia, the ‘good old days’ were not always so good. Spanish Flu and World War I raged. Almost no one of those days knew of air-conditioning. NNNN |
| 2025-08-11 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 11 Aug: OVRCST 71.4° REL HMDTY 95% AQI 51 DP 69.8° WND CLM 0.0 MPH BRM 30.02 STDY VIS 10 MI Sunrise 5:56 Sunset 7:56. 10 Aug: Hi 89.6° (1555) PK WBGT 84.6° (1555) Green Flag danger after 45 minutes outdoor exertion Lo 71.4° (0619) CDD 18 GUST SW 20 MPH (1215). *** 3.7” rain fell on this date in 1923 as Jolietans mourned the death of President Warren G. Harding. NNNN |
| 2025-08-10 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 10 Aug: CLR 73.9° REL HMDTY 91% AQI 45 DP 71.6° WND SE 5.0 MPH BRM 30.04 STDY VIS 10 MI Sunrise 5:55 Sunset 7:58. 9 Aug: Hi 95.1° (1555) PK WBGT 86.5° (1605) Yellow Flag danger after 30 minutes exertion Lo 72.3° (0700) CDD 18 GUST S 18 MPH (1555). *** A rare derecho with short, forward-accelerating squall line from “wake low pressure” struck in late afternoon on this date five years ago. 2016 study had said Northeastern Illinois would be ground zero for these warm season, progressive storms with 75+ MPH winds and the south side of New Lenox was nailed by this one. Our roof, siding, screens, and power awning were severely damaged. Four large limbs pierced our structure and one even came through a wall into the garage. Deck and five trees were badly mangled and the result was no electrical power for 30 hours. Total rehabilitation tab (fully covered by Pekin Insurance) was $46,000. NNNN |
| 2025-08-09 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 9 Aug: CLR 71.4° REL HMDTY 91% AQI 54 DP 68.7° WND CLM 0.0 MPH BRM 30.02 STDY VIS 10 MI Sunrise 5:52 Sunset 7:59. 8 Aug: Hi 92.5° (1610) PEAK WBGT 86° (1515) resulting in Yellow Flag conditions with danger to health occurring after 30 minutes exertion Lo 70.5° (0505) CDD 18 GUST S 18 MPH (1555). *** Am now using Wet Bulb Globe Temperature Index to report the danger of our recent hot/humid days. Many meteorologists believe this to be a better way of indicate stress from weather than the simpler but less informative heat index. As per one’s latitude and longitude, WBGT uses temperature, intensity of the sun, angle of the sun, relative humidity, wind speed, dew point, and percent of cloud coverage to arrive at a figure. The scale of serious heat is: 80-85° WBGT = stress when exposed/working in the aforementioned elements for 45 minutes, 85-88° for 30 minutes, 88-90° for only 20 minutes, and >90° but 15 minutes. The formula and more can be found at www.wbgt.app. |
| 2025-08-08 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8 Aug: FG/MST 70.7° REL HMDTY 98% AQI 53 DP 70.3° WND CLM 0.0 MPH BRM 30.06 STDY VIS 2.0 MI Sunrise 5:53 Sunset 8:00. 7 Aug: Hi 91.4° (1655) Lo 70.7° (0616) CDD 17 GUST S 8 MPH (1815). *** Yet another Dust Bowl era temperature record was set in Joliet on this date in 1934 as the mercury hit 100°. NNNN |
| 2025-08-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 Aug: CLR 71.4° REL HMDTY 86% AQI 56 DP 65.8° WND CLM 0.0 MPH BRM 30.12 STDY VIS 10 MI Sunrise 5:52 Sunset 8:01. 6 Aug: Hi 88.5° (1610) Lo 67.8° (0700) CDD 11 GUST SW 7 MPH (1255). *** With Joliet area residents being told to stay in their non-air-conditioned homes in the second wave of the Spanish Flu, citizens endured a suffocating 99° just two days after they survived 102°. NNNN |
| 2025-08-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6 Aug: HZ/FG 66.6° REL HMDTY 98% AQI 118 - poor - DP 65.8° WND CLM 0.0 MPH BRM 30.24 STDY VIS 1.0 MI Sunrise 5:51 Sunset 8:03. 5 Aug: Hi 86.4° (1555) Lo 65.7° (0245) CDD 9 GUST E 9 MPH (1115). *** 74°, sunny, and SSE winds 10-15 MPH were meteorological conditions on this date at 8 a.m. in 1945 for……..Hiroshima. NNNN |
| 2025-08-05 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5 Aug: HZ 62.1° REL HMDTY 93% AQI 62 DP 59.7° WND CLM 0.0 MPH BRM 30.20 STDY VIS 10 MI Sunrise 5:50 Sunset 8:04. 4 Aug: Hi 84.6° (1430) Lo 61.5° (0420) CDD 7 GUST E 17 MPH (1015). *** The second wave of the so-called Spanish Flu and huge World War I casualties were both accompanied by the misery of 102° in Joliet on this date in 1918. NNNN |
| 2025-08-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 4 Aug: CLR 64.6° REL HMDTY 80% AQI 101 - poor - DP 58.1° WND CLM 0.0 MPH BRM 30.12 STDY VIS 10 MI Sunrise 5:49 Sunset 8:05. 3 Aug: Hi 82.0° (1605) Lo 59.0° (0700) CDD 5 GUST E 9 MPH (1635). *** Joliet area residents sweated with a 100° maximum on this day in 1947, the first of three consecutive days of 100° (has happened on two other occasions). FOX weather guy Mark Strehl was born this fine day in Ottawa back in 1960. NNNN |
| 2025-08-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Aug: HZ/MST 61.5° REL HMDTY 83% AQI 83 DP 57.4° WND CLM 0.0 MPH BRM 30.20 STDY VIS 5 MI Sunrise 5:48 Sunset 8:06. 2 Aug: Hi 80.1° (1330) Lo 57.9° (0620) CDD 4 GUST E 13 MPH (1115). *** Driest August happened in 1893 during Chicago’s Columbian Exposition. A paltry total of 0.18” rain made for a dusty midway. NNNN |
| 2025-08-02 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 2 Aug: CLR 59.4° REL HMDTY 87% AQI 98 DP 55.2° WND CLM 0.0 MPH BRM 30.34 STDY VIS 10 MI Sunrise 5:47 Sunset 8:07. 1 Aug: PK AQI 148 (0700) Hi 78.1° (1340) Lo 57.0° (0415) CDD 3 GUST NE 18 MPH (1515). *** In Des Moines, Iowa on this date in 1952 a pleasant high of 81° (56° low) with gentle breezes greeted the first day of my wife’s life. NNNN |
| 2025-08-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 1 Aug: OVRCST/HZ 60.8° REL HMDTY 93% AQI 120 (POOR!) DP 58.5° WND CLM 0.0 MPH BRM 30.29 RSG VIS 5 MI Sunrise 5:46 Sunset 8:09. 31 Jul: PK AQI 171 (1400) Hi 77.9° (1500) Lo 59.7° (0540) CDD 5 GUST NE 25 MPH (1135). *** Northeastern Illinois’ red-hot (47 days with highs over 90°) and arid summer of 1988 set a 150+ year standard with an overnight low of but 80° on this date. NNNN |
| 2025-07-31 | 7:00 AM | 0.47 | 0.0 | NA | NA | NA | | Rain: 2025 24.35" (normal 22.97") Summer 11.72" (n 8.72") July 8.06" (n 4.57") 31 Jul: OVRCST 66.6° REL HMDTY 81% AQI 90 (POOR!) DP 60.6° WND NE 17.8 MPH BRM 30.11 RSG VIS 7 MI Sunrise 5:43 Sunset 8:09. 30 Jul: Hi 82.2° (1045) Lo 66.6° (0636) CDD 9 GUST NE 24 MPH (0455). *** The final of 3 consecutive 100+ days victimized New Lenox on this date in 1999. Legendary WGN weather guy Jim Tilmon was born 31 July in 1934 (died 1/16/2021). NNNN
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| 2025-07-30 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 30 Jul: MSTLY CLDY 75.6° REL HMDTY 93% AQI 37 DP 73.2° WND CLM 0.0 MPH BRM 30.05 STDY VIS 10 MI Sunrise 5:42 Sunset 8:10. 29 Jul: Hi 92.3° (1720) Lo 72.5° (0700) CDD 17 GUST S 9 MPH (0755). *** Wettest July in these parts occurred only 14 years ago in 2011 when 11.85” rain drenched the southwest suburban landscape. Driest July was in 1948 when ZERO rain occurred. NNNN |
| 2025-07-29 | 6:00 AM | 0.37 | NA | NA | NA | NA | | 29 Jul: CLR 72.3° REL HMDTY 90% AQI 52 (poor) DP 69.4° WND CLM 0.0 MPH BRM 30.14 RSG VIS 10 MI Sunrise 5:41 Sunset 8:11. 28 Jul: Hi 91.4° (1645) Lo 69.3° (0435) CDD 19 GUST N 10 MPH (0935). *** For the good people of Joliet in 1916, matters grew even worse on this date as the overnight minimum wouldn’t break below 85°. NNNN |
| 2025-07-28 | 7:00 AM | 0.68 | NA | NA | NA | NA | | 28 Jul: HVY R 73.2° REL HMDTY 99% AQI 21 DP 72.9° WND W 6.0 MPH BRM 30.08 RSG VIS 2.5 MI Sunrise 5:40 Sunset 8:13. 27 Jul: Hi 90.5° (1610) Lo 73.2° (0659) CDD 16 GUST S 9 MPH (1355). *** Yet another awful 84° overnight low was recorded on this date in 1916. (See my weather history blurb for 26 July.) NNNN |
| 2025-07-27 | 7:00 AM | 0.68 | NA | NA | NA | NA | | --Overnight rain brought the year's amount to 22.33"; first time in the 228 days of 2025 we've been above the normal annual total-- 27 Jul: FG/MST 74.3° REL HMDTY 99% AQI 19 DP 74.1° WND CLM 0.0 MPH BRM 30.00 STDY VIS 4 MI Sunrise 5:39 Sunset 8:14. 26 Jul: Hi 87.1° (1725) Lo 71.2° (0700) CDD 13 GUST W 5 MPH (0955). *** This date in 1955 marked the beginning of a sweltering streak of 90° or greater maximums that lasted until 5 August. NNNN |
| 2025-07-26 | 7:00 AM | 0.96 | NA | NA | NA | NA | | 26 Jul: OVRCST 71.4° REL HMDTY 99% AQI 27 DP 71.1° WND CLM 0.0 MPH BRM 29.98 STDY VIS 10 MI Sunrise 5:38 Sunset 8:15. 25 Jul: Hi 82.2° (1135) Lo 71.2° (0330) CDD 13 GUST SE 8 MPH (1115). *** Beginnings of the Spanish Flu and approach of America’s entry into the Great War weren’t bad enough? From the 26th to 30th overnight lows were 80° or above in late July 1916. NNNN |
| 2025-07-25 | 7:00 AM | 0.53 | NA | NA | NA | NA | | 25 Jul: MSTLY CLDY 71.8° REL HMDTY 99% AQI 21 DP 71.4° WND CLM 0.0 MPH BRM 30.01 STDY VIS 7 MI Sunrise 5:37 Sunset 8:16. 24 Jul: Peak heat index 110 Hi 93.6° (1430) Lo 71.4° (0550) CDD 18 GUST N 28 MPH (1455). *** 93° maximum and 73° minimum were the conditions under sunny, breezy skies as sister #2 of mine was born at Joliet’s Silver Cross Hospital in 1960. NNNN |
| 2025-07-24 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 24 Jul: CLR 75.2° REL HMDTY 98% AQI 43 DP 74.7° WND CLM 0.0 MPH BRM 30.00 STDY VIS 10 MI Sunrise 5:36 S unset 8:16. 23 Jul: Peak heat index 120.3 Hi 94.1° (1614) Lo 71.2° (0700) CDD 18 GUST S 17 MPH (1155). *** 105° on the thermometer became the ALL-TIME Chicago maximum! It occurred on this steamy date in 1934 but could have been worse: the state's historic worst was 117° in East St. Louis exactly 20 years later. NNNN |
| 2025-07-23 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 23 Jul: CLR 68.7° REL HMDTY 84% AQI 41 DP 63.7° WND CLM 0.0 MPH BRM 30.05 STDY VIS 10 MI Sunrise 5:35 Sunset 8:17. 22 Jul: Hi 86.2° (1345) Lo 68.5° (0525) CDD 13 GUST E 12 MPH (1355). *** Man the lifeboats! A 6.9” frog-strangler record for 24-hour rainfall for Joliet was set on this date in 2011. NNNN |
| 2025-07-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 22 Jul: CLR 68.2° REL HMDTY 84% AQI 70 -poor- DP 63.3° WND SE 7.0 MPH BRM 30.06 STDY VIS 10 MI Sunrise 5:34 Sunset 8:18. 21 Jul: Hi 87.6° (0335) Lo 67.1° (0255) CDD 8 GUST E 9 MPH (0935). *** A high of but 68° and record-low of 49° on this date in 1947 made the day one of the chilliest July days in 150+ years of atmospheric annals. Worse, a three-week span surrounding this continued the cold trend (temperatures 6° below average) but wet with three inches rain. NNNN |
| 2025-07-21 | 7:00 AM | 0.30 | NA | NA | NA | NA | | 21 Jul: LT FG 68.0° REL HMDTY 91% AQI 101 -unhealthy- DP 65.1° WND CLM 0.0 MPH BRM 30.02 STDY VIS 5 MI Sunrise 5:33 Sunset 8:19. 20 Jul: Hi 76.1° (1730) Lo 65.8° (0300) CDD 6 GUST NE 9 MPH (0915). *** 103° in 1901 ranks as the third-hottest day in 150+ years of Northeastern Illinois records. NNNN |
| 2025-07-20 | 7:00 AM | 0.80 | NA | NA | NA | NA | | 20 Jul: LT R 70.3° REL HMDTY 99% AQI 14 DP 70.7° WND CLM 0.0 MPH BRM 29.93 STDY VIS 4 MI Sunrise 5:33 Sunset 8:20. 19 Jul: Hi 83.5° (1630) Lo 69.3° (0515) CDD 13 GUST S 9 MPH (0935). *** Typical for a Midwestern summer storm, 3” of rain fell on this date in 1978. NNNN |
| 2025-07-19 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 19 Jul: CLRNG 71.1° REL HMDTY 92% AQI 20 DP 68.5° WND SE 3.0 MPH BRM 29.97 STDY VIS 10 MI Sunrise 5:32 Sunset 8:21. 18 Jul: Hi 84.7° (1210) Lo 62.6° (0700) CDD 4 GUST SW 6 MPH (1715). *** A morning low of 52° on this date in 1873 has stood as a record for over 1 ½ centuries! NNNN |
| 2025-07-18 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 18 Jul: CLR 58.8° REL HMDTY 94% AQI 13 DP 56.8° WND CLM 0.0 MPH BRM 30.12 STDY VIS 10 MI Sunrise 5:31 Sunset 8:21. 17 Jul: Hi 77.5° (1210) Lo 58.3° (0600) CDD/HDD 0 GUST NE 17 MPH (1735). *** Most recent flooding on the southeast side of Joliet came about in 1996 as low-pressure front stalled over the City of Champions. 7.82” rain was recorded at a west side location while the Hickory Creek-to-Des Plaines River discharge registered a raging 5,020 cubic feet per second on the east side. NNNN |
| 2025-07-17 | 7:00 AM | 0.20 | NA | NA | NA | NA | | 17 Jul: CLR 70.5° REL HMDTY 90% AQI 12 DP 67.5° WND NW 3.0 MPH WND BRM 29.98 RSG VIS 10 MI Sunrise 5:29 Sunset 8:23. 16 Jul: Hi 91.0° (1420) Lo 68.2° (0455) CDD 15 GUST NW 25 MPH (1515). *** The fair, largely uneventful summer of 1969 saw 3” of rain on this date. NNNN |
| 2025-07-16 | 7:00 AM | T | NA | NA | NA | NA | | 16 Jul: OVRCST 73.9° REL HMDTY 99% AQI 27 DP 73.6° WND CLM 0.0 MPH WND BRM 29.89 STDY VIS 10 MI Sunrise 5:29 Sunset 8:23. 15 Jul: Hi 92.3° (1540) Lo 73.8° (0355) CDD 16 GUST S 10 MPH (1155). *** Heat index was 125° in 1995 as extreme heat continued. Beer and Wendy’s Frosty coolers at Kane County Cougars ballpark were unable to keep the beverage temperatures beneath 76° but thirsty, parched fans nonetheless guzzled the goodies. NNNN |
| 2025-07-15 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 15 Jul: FG/MST 67.8° REL HMDTY 95% AQI 76 (poor!) DP 66.2° WND CLM 0.0 MPH WND BRM 30.03 STDY VIS 5 MI Sunrise 5:28 Sunset 8:23. 14 Jul: Hi 88.0° (1740) Lo 65.8° (0700) CDD 12 GUST SW 7 MPH (1455). *** 2024: 87° and 80% humidity at 2115 hours proved to be the perfect pressure cooker to incubate a record 32 tornadoes across Northeastern Illinois and NW Indiana in 2024. Our Lincoln-Way area was spared any serious damage NNNN |
| 2025-07-14 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 14 Jul: HZ 61.5° REL HMDTY 99% AQI 114 (unhealthy!) DP 61.3° WND CLM 0.0 MPH WND BRM 30.05 STDY VIS 2 MI Sunrise 5:27 Sunset 8:24. 13 Jul: Hi 82.0° (1525) Lo 61.5° (0618) CDD 9 GUST W 8 MPH (1555). *** 1874’s “Little Great Chicago Fire” lasted 8 hours, burned 47 acres, killed 20 in Russian/Polish/black neighborhoods on a 90° day with strong southwest winds and little rain since early June 12. The inferno raged from 12th Street (today’s Roosevelt Road) to Van Buren, and from Michigan Avenue to Wabash. One factor that slowed the conflagration from being worse? Many places in its path were still in rubble from the more devastating fire nearly three years earlier. NNNN |
| 2025-07-13 | 7:00 AM | T | NA | NA | NA | NA | | 13 Jul: CLR 57.1° REL HMDTY 95% AQI 70 (poor!) DP 65.3° WND CLM 0.0 MPH WND BRM 30.00 RSG VIS 7 MI Sunrise 5:27 Sunset 8:25. 12 Jul: Hi 84.7° (1810) Lo 66.9° (0600) CDD 12 GUST W 9 MPH (1555). *** The 1995 killer heat wave began on this date when 104° of blow-torch weather descended on Northeastern Illinois. The awful 13th-16th event directly or indirectly left 583 dead. NNNN |
| 2025-07-12 | 7:00 AM | 0.02 | NA | NA | NA | NA | | 12 Jul: CLR 70.3° REL HMDTY 90% AQI 23 DP 67.1° WND CLM 0.0 MPH WND BRM 29.88 RSG VIS 10 MI Sunrise 5:26 Sunset 8:25. 11 Jul: Hi 91.1° (1545) Lo 69.3° (0650) CDD 15 GUST NW 23 MPH (2315). *** Great Hickory/Spring Creek Flood in Joliet/New Lenox began on this date in 1957 amid high temperature of 90° and much humidity. Rain began at 1430 hours and did not end until 0530 the next morning. 6.73” rain fell in five hours and eventually totaled 8.13” for 15 hours. 4,000 homes were damaged and the entire south/southeast sides of the City of Champions were under water. Incredibly, the vast EJ&E rail yard was covered by 15’of H2O and expansive Pilcher Park was flooded. New Lenox was cut off on three sides with most main roads swamped. On the light side, Joliet people caught medium-sized bullheads on their property nearly a mile from the closest body of water. Days after the waters receded, Jolietans found possessions from New Lenox residents (6 miles to the east!) in their yards. NNNN |
| 2025-07-11 | 7:00 AM | 0.76 | NA | NA | NA | NA | | 11 Jul: CLRNG 72.1° REL HMDTY 99% AQI 25 DP 71.8° WND CLM 0.0 MPH WND BRM 29.88 RSG VIS 10 MI Sunrise 5:25 Sunset 8:26. 10 Jul: Hi 89.1° (1430) Lo 69.4° (0700) CDD 11 GUST W 28 MPH (1835). *** 93° high and 70° low with full sun came our way as my brother was born in 1966. I’ve always said he was hot stuff and quite bright! NNNN |
| 2025-07-10 | 6:00 AM | 0.10 | NA | NA | NA | NA | | 10 Jul: FG/MST 65.5° REL HMDTY 98% AQI 31 DP 64.9° WND CLM 0.0 MPH WND BRM 29.96 FLG VIS 4 MI Sunrise 5:24 Sunset 8:27. 9 Jul: Hi 90.1° (1615) Lo 65.5° (0548) CDD 12 GUST E 16 MPH (1755). *** More Dirty Thirties heat! 80° was the overnight low in 1936 Joliet. NNNN |
| 2025-07-09 | 7:00 AM | 2.19 | NA | NA | NA | NA | | 9 Jul: FG/MST 67.5° REL HMDTY 99% AQI 33 DP 66.9° WND CLM 0.0 MPH WND BRM 30.01 STDY VIS 4 MI Sunrise 5:24 Sunset 8:27. 8 Jul: Hi 87.1° (1330) Lo 67.3° (0555) CDD 12 GUST SW 17 MPH (2015). *** A rather non-red-letter day in July weather history was interrupted by 2.5” rain in 1946. NNNN |
| 2025-07-08 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8 Jul: CLR 66.9° REL HMDTY 78% AQI 74 (poor) DP 59.7° WND CLM 0.0 MPH WND BRM 3005 STDY VIS 10 MI Sunrise 5:23 Sunset 8:27. 7 Jul: Hi 86.4° (1650) Lo 64.4° (0350) CDD 9 GUST E 9 MPH (1255). *** If July 1983 hadn’t been cold enough (see the IL-WL-63 CoCoRaHS entry from yesterday), 2.5” rain drenched the chilled landscape on this date. NNNN |
| 2025-07-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 Jul: OVRCST 65.5° REL HMDTY 89% AQI 26 DP 69.3° WND N 3.0 MPH WND BRM 30.00 RSG VIS 10 MI Sunrise 5:22 Sunset 8:27. 6 Jul: Hi 90.0° (1635) Lo 64.9° (0435) CDD 11 GUST SW 21 MPH (0915). *** Coldest July reading ever in local annals shivered us in 1983 when 45° showed on early morning thermometers. NNNN |
| 2025-07-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6 Jul: CLRNG 75.7° REL HMDTY 81% AQI 40 DP 69.3° WND SW 6.0 MPH WND BRM 29.85 STDY VIS 10 MI Sunrise 5:22 Sunset 8:28. 5 Jul: Hi 94.3° (1615) Lo 75.0° (0700) CDD 20 GUST SW 23 MPH (1755). *** The Dirty Thirties were symbolized by EIGHT straight days of temperatures over 100° (6th-14th) in 1936. NNNN |
| 2025-07-05 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5 Jul: CLR 73.0° REL HMDTY 83% AQI 69 (POOR) DP 67.5° WND CLM 0.0 MPH WND BRM 30.03 STDY VIS 10 MI Sunrise 5:21 Sunset 8:28. 4 Jul: Hi 93.6° (1630) Lo 71.8° (0505) CDD 18 GUST SW 16 MPH (1455). *** Wow, the hottest 4th of July happened just 13 years ago in 2012 with 102°. This was the first of three consecutive days of a 100° reading which only happened two other times in Northeastern Illinois history. NNNN |
| 2025-07-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Jul: CLR 66.7° REL HMDTY 96% AQI 46 (fair) DP 65.5° WND CLM 0.0 MPH WND BRM 29.99 STDY VIS 10 MI Sunrise 5:21 Sunset 8:28. 2 Jul: Hi 91.0° (1700) Lo 65.1° (0505) CDD 16 GUST W 10 MPH (1415). *** Thomas Jefferson took weather notes in Philadelphia on that glorious day in Philadelphia in 1776 when independence was officially declared. At 6 a.m. temperature was 68°, 9 a.m. 72°, 1 p.m. 76° (!!!!!), and at 9 p.m. 73° with increasing clouds and a breeze from the southwest. No notes from that afternoon? Hmm, Mr. Jefferson and 55 other men were inside approving and signing a certain document. History can excuse him if his mind was off the weather for a bit. NNNN |
| 2025-07-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Jul: CLR 66.7° REL HMDTY 96% AQI 46 (fair) DP 65.5° WND CLM 0.0 MPH WND BRM 29.99 STDY VIS 10 MI Sunrise 5:21 Sunset 8:29. 2 Jul: Hi 91.0° (1700) Lo 65.1° (0505) CDD 16 GUST W 10 MPH (1415). *** Coldest Joliet July came in 2009 which averaged but 57.9°. NNNN |
| 2025-07-02 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 2 Jul: CLR 65.8° REL HMDTY 93% AIR QLTY 51 (poor) DP 63.3° WND CLM 0.0 MPH WND BRM 30.00 STDY VIS 10 MI Sunrise 5:21 Sunset 8:29. 1 Jul: Hi 88.0° (1700) Lo 64.2° (0535) CDD NA GUST NW 8 MPH (1455). *** Gettysburg (Pennsylvania) weather in early 1863: 1 July temperature at 2 p.m. was 76° and sky cloudy during initial skirmish, 2 July was 81° and partly cloudy at Little Round Top, and 87° at 2 p.m. on 3 July, the time of Pickett's Charge. Lee's retreat from Gettysburg on 4 July was hampered by heavy rain but Meade didn’t attempt to follow him and the war dragged on for almost another two years. NNNN |
| 2025-07-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 1 Jul: CLR 69.1° REL HMDTY 88% AIR QLTY 21 DP 65.1° WND NW 3.4 MPH WND BRM 29.92 RSG VIS 10 MI Sunrise 5:21 Sunset 8:29. 30 Jun: Hi 90.0° (1335) Lo 68.4° (0550) CDD 17 GUST NW 13 MPH (1355). *** Hottest July in Joliet was in the severe drought year of 2012 with an average temperature of 80.1°. Whew! NNNN |
| 2025-06-30 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rain: 2025 16.29" (normal 18.40") June 3.66" (normal 4.15") 30 Jun: CLR 73.8° REL HMDTY 94% AIR QLTY 19 DP 71.6° WND CLM 0.0 MPH WND BRM 29.86 STDY VIS 10 MI Sunrise 5:21 Sunset 8:29. 29 Jun: PK HEAT INDEX 102.7° Hi 94.5° (1515) Lo 72.9° (0410) CDD 19 GUST S 24 MPH (1745). *** Wettest June (9.95”) was in 1993 while the driest (0.12”) was 103 years ago in 1922. NNNN |
| 2025-06-29 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 29 Jun: CLR 73.2° REL HMDTY 89% AIR QLTY 30 DP 69.6° WND CLM 0.0 MPH WND BRM 29.98 STDY VIS 10 MI Sunrise 5:20 Sunset 8:29. 28 Jun: PK HEAT INDEX 97.0° (1710) Hi 92.5° (1710) Lo 69.3° (0700) CDD 14 GUST SW 13 MPH (1445). *** Nasty three-day span of heat indices above 109° (29th-> 114°, 30th-> 111°, July 1st-> 109°) sizzled locals in mid-summer 2018. NNNN |
| 2025-06-28 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 28 Jun: CLR 67.8° REL HMDTY 99% AIR QLTY 15 DP 67.3° WND CLM 0.0 MPH WND BRM 30.03 RSG VIS 10 MI Sunrise 5:20 Sunset 8:29. 27 Jun: PK HEAT INDEX 94.7° (1645) Hi 88.2° (1645) Lo 64.4° (0530) CDD 15 GUST SW 24 MPH (1445). *** In 154 years (since 1871) of Northeastern Illinois weather records, June has been the hottest month only three times: 1933 (Dust Bowl), 1967, and 1971. NNNN |
| 2025-06-27 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 Jun: CLR 75.7° REL HMDTY 88% AIR QLTY 28 DP 71.8° WND W 7.1 MPH WND BRM 29.92 STDY VIS 10 MI Sunrise 5:19 Sunset 8:29. 26 Jun: PK HEAT INDEX 107.5° (1555) Hi 94.5° (1555) Lo 73.8° (0510) CDD 21 GUST S 18 MPH (1745). *** The first of back-to-back 101° days occurrred on this date in 1971. NNNN |
| 2025-06-26 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 26 Jun: CLR 74.1° REL HMDTY 93% AIR QLTY 22 DP 71.8° WND S 6.0 MPH WND BRM 30.00 STDY VIS 10 MI Sunrise 5:18 Sunset 8:29. 25 Jun: PK HEAT INDEX 107.1° (1550) Hi 93.0° (1550) Lo 72.9° (0700) CDD 19 GUST S 8 MPH (2315). *** A 1954 seiche on Lake Michigan in Chicago caused the water level to rise 10’ in three minutes on this date. Most tragically, eight fishermen were drowned off a breakwater just east of Grant Park. NNNN |
| 2025-06-25 | 7:00 AM | 0.74 | NA | NA | NA | NA | | 25 Jun: CLR 73.8° REL HMDTY 99% AIR QLTY 20 DP 73.2° WND CLM 0.0 MPH WND BRM 30.15 STDY VIS 9 MI Sunrise 5:18 Sunset 8:29. 24 Jun: PK HEAT INDEX 106.0° (1135) Hi 93.2° (1435) Lo 72.3° (0520) CDD 19 GUST SW 17 MPH (1245). *** The sixth and final day of oppressive heat in 1988 registered 103° on the thermometer. NNNN |
| 2025-06-24 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 24 Jun: CLR 77.0° REL HMDTY 89% AIR QLTY 25 DP 73.4° WND SE 6.1 MPH WND BRM 30.13 STDY VIS 10 MI Sunrise 5:18 Sunset 8:29. 23 Jun: PK HEAT INDEX 108.1° (1640) Hi 94.1° (1640) Lo 74.1° (0525) CDD 22 GUST SW 24 MPH (1345). *** High of 76° after a low of 48° in 1972 came via full sun and dry conditions. Made for splendid weather to have a wedding at Holy Cross Catholic Church in Champaign. NNNN |
| 2025-06-23 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 23 Jun: CLR 74.3° REL HMDTY 93% AIR QLTY 50 DP 72.0° WND S 9.0 MPH WND BRM 30.10 RSG VIS 10 MI Sunrise 5:18 Sunset 8:29. 22 Jun: PK HEAT INDEX 107.5° (1445) Hi 93.9° (1605) Lo 73.4° (0535) CDD 22 GUST SW 30 MPH (1445). *** Day #4 in 1988’s hot time in the suburbs saw a 97° put in the Joliet weather annals. NNNN |
| 2025-06-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 22 Jun: CLR 75.7° REL HMDTY 92% AIR QLTY 36 DP 73.4° WND S 9.1 MPH WND BRM 30.01 RSG VIS 10 MI Sunrise 5:18 Sunset 8:29. 21 Jun: PK HEAT INDEX 110.5° (1655) Hi 93.2° (1610) Lo 74.8° (0545) CDD 21 GUST S 36 MPH (1645). *** Day #3 of 1988’s torrid time came via 101° in Joliet. Our middle child's third birthday was spent indoors. NNNN |
| 2025-06-21 | 6:00 AM | 0.02 | NA | NA | NA | NA | | 21 Jun: CLR 73.2° REL HMDTY 89% AIR QLTY 32 DP 69.3° WND S 16.1 MPH WND BRM 29.91 STDY VIS 10 MI Sunrise 5:18 Sunset 8:29. 20 Jun: Hi 85.1° (1650) Lo 68.9° (0700) CDD 13 GUST SW 32 MPH (1345). *** Day #3 of a week-long heat wave saw the Lincoln-Way area ‘cool’ on this date in 1988 with 97°. NNNN |
| 2025-06-20 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 20 Jun: CLR 64.8° REL HMDTY 93% AIR QLTY 28 DP 62.4° WND SW 6.0 MPH WND BRM 29.97 STDY VIS 10 MI Sunrise 5:17 Sunset 8:29. 19 Jun: Hi 85.5° (1550) Lo 64.8° (0535) CDD 10 GUST W 25 MPH (1750). *** Beginning of an awful six-day Joliet heat wave rolled in with 104° on this date in 1988. Five all-time marks would be set in the short span. NNNN |
| 2025-06-19 | 7:00 AM | 1.06 | NA | NA | NA | NA | | 19 Jun: LT R 64.8° REL HMDTY 98% AIR QLTY 21 DP 64.2° WND W 8.2 MPH WND BRM 29.83 RSG VIS 6 MI Sunrise 5:17 Sunset 8:28. 18 Jun: Hi 81.3° (1230) Lo 64.8° (0600) CDD 9 GUST NW 21 MPH (0015). *** 102° on this date in 1953 registered the hottest day ever in the initial 170 days of the calendar year. Former FOX Chicago weather gal Amy Freeze was born on 19 June 1974. NNNN |
| 2025-06-18 | 7:00 AM | 0.30 | NA | NA | NA | NA | | 18 Jun: MST 68.5° REL HMDTY 99% AIR QLTY 38 DP 68.2° WND CLM 0.0 MPH WND BRM 29.79 STDY VIS 4 MI Sunrise 5:17 Sunset 8:28. 17 Jun: Hi 91.9° (1655) Lo 68.2° (0420) CDD 17 GUST SW 21 MPH (1445). *** On this and the previous day in 1957, a cool, wet June was interrupted for little more than 30 hours by the one scorching day of that month. Temperatures soared to 96° in Joliet and high humidity caused much mugginess. Late that day a violent thunderstorm occurred. The 3 p.m. downpour dropped 0.55" rain and temperatures fell drastically. As the city's brief heatwave was over, temperatures would be average or below the rest of the June. NNNN |
| 2025-06-17 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 17 Jun: CLR 69.6° REL HMDTY 96% AIR QLTY 29 DP 68.4° WND S 10.0 MPH WND BRM 29.81 STDY VIS 9 MI Sunrise 5:17 Sunset 8:28. 16 Jun: Hi 88.9° (1600) Lo 67.5° (0700) CDD 10 GUST S 13 MPH (1745). *** Have you forgotten? Record high of 97° one year ago (2024) today. Whew! NNNN |
| 2025-06-16 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 16 Jun: CLRNG 63.3° REL HMDTY 89% AIR QLTY 40 DP 59.9° WND CLM 0.0 MPH WND BRM 30.01 STDY VIS 6 MI Sunrise 5:17 Sunset 8:27. 15 Jun: Hi 83.1° (1640) Lo 62.6° (0700) CDD 5 GUST E 15 MPH (1150). *** 44° on this day in June 1980 typified the weather for that dreary month. Early morning readings were frequently near 40° with dank humidity and a battleship-gray sky. Stats for northeastern Illinois from over four decades ago reveal that 18 of 30 days were mostly or totally cloudy and with some form of precipitation. Not one day had 100% full sun. Temperatures were cool (2.1° below average) and the 26th of that month was the one day with a high of 90° (91°). Wind patterns were atypical with 65% of those days featuring winds from the east and north; traditional patterns from the south and west were largely absent. Despite the gloom and chill of those 30 days, but 2.4” rain fell on the Illinois prairie. NNNN |
| 2025-06-15 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 15 Jun: CLRNG 59.0° REL HMDTY 85% AIR QLTY 32 DP 54.7° WND N 7.2 MPH WND BRM 30.06 STDY VIS 10 MI Sunrise 5:17 Sunset 8:27. 14 Jun: Hi 78.1° (1605) Lo 59.0° (0543) CDD 2 GUST NE 18 MPH (1345). *** A midsummer night's dream must’ve been a cold one in 1997. Temperature bottomed at 43°. At one point the wind chill was 34° with 9 HDD. NNNN |
| 2025-06-14 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 14 Jun: FG/MST 63.3° REL HMDTY 92% AIR QLTY 62 - POOR - DP 61.2° WND N 10.2 MPH WND BRM 29.99 STDY VIS 5 MI Sunrise 5:17 Sunset 8:27. 13 Jun: Hi 75.2° (1310) Lo 63.3° (0550) CDD/HDD 0 GUST NE 14 MPH (1845). *** Record Flag Day maximum scorched New Lenox in 2022 with 100° of Bessemer blast furnace heat. It was the first triple-digit reading since 103° in 2012. NNNN |
| 2025-06-13 | 7:00 AM | 0.02 | NA | NA | NA | NA | | 13 Jun: LT R 63.0° REL HMDTY 91% AIR QLTY 68 - POOR - DP 60.4° WND E 5.0 MPH WND BRM 29.99 STDY VIS 7 MI Sunrise 5:17 Sunset 8:26. 12 Jun: Hi 86.9° (1230) Lo 63.0° (0604) CDD 6 GUST NE 18 MPH (1545). *** The killer F4 Lemont tornado roared into town at 5:18 p.m. on this date in 1976. Two died and 23 were injured. NNNN |
| 2025-06-12 | 7:00 AM | T | NA | NA | NA | NA | | 12 Jun: CLR 66.0° REL HMDTY 87% AIR QLTY 90 - POOR - DP 62.1° WND SE 3.2 MPH WND BRM 30.04 STDY VIS 7 MI Sunrise 5:17 Sunset 8:26. 11 Jun: Hi 90.1° (1655) Lo 57.9° (0700) CDD 13 GUST SW 26 MPH (1048). *** Chicago temperature records were first kept on this date in 1872. Some tabulations had been kept earlier but were wiped out when some sort of little blaze happened in October the previous year. NNNN |
| 2025-06-11 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 11 Jun: CLR 64.6° REL HMDTY 79% AIR QLTY 63 - POOR - DP 58.1° WND SW 8.1 MPH WND CHILL --.-° BRM 30.03 RSG VIS 9 MI Sunrise 5:17 Sunset 8:25. 10 Jun: Hi 78.8° (1600) Lo 56.5° (0700) CDD 2 GUST W 28 MPH (1245). *** This is is a date which hasn’t lived in the infamy of Northeastern Illinois weather history. 3.02” was the greatest 11 June rain in 1926. Next closest was 2.49” three years later. NNNN |
| 2025-06-10 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 10 Jun: CLR 54.5° REL HMDTY 87% AIR QLTY 35 - FAIR - DP 50.4° WND SW 7.2 MPH WND CHILL 52.1° BRM 29.87 RSG VIS 10 MI Sunrise 5:17 Sunset 8:25. 9 Jun: Hi 73.8° (1255) Lo 50.5° (0415) HDD 2 GUST W 30 MPH (1345). *** Record Illinois hailstone fell on Minooka this date in 2015: 4.8” in diameter! A baseball is 2.9”, high school softball 3.8”, and a 16” mushball 5.0”. NNNN |
| 2025-06-09 | 7:00 AM | 0.17 | NA | NA | NA | NA | | 9 Jun: CLR 53.1° REL HMDTY 97% AIR QLTY 68 - POOR - DP 52.3° WND S 7.0 MPH WND CHILL 51.1° BRM 29.70 STDY VIS 9 MI Sunrise 5:17 Sunset 8:24. 8 Jun: Hi 81.1° (1510) Lo 52.7° (0455) CDD 5 GUST SW 24 MPH (1345). *** Them clouds, them clouds, them drrrrrry clouds: Lowest one-day summer record of precipitation came via a modest rainfall of 1.31” on this date in 2018. NNNN |
| 2025-06-08 | 7:00 AM | 0.17 | NA | NA | NA | NA | | 8 Jun: CLRNG 59.7° REL HMDTY 99% AIR QLTY 68 - POOR! - DP 59.2° WND N 1.1 MPH BRM 29.76 STDY VIS 5 MI Sunrise 5:18 Sunset 8:24. 7 Jun: Hi 80.6° (1410) Lo 58.3° (0550) CDD 2 GUST SE 16 MPH (1435). *** The hottest June and summer ever in these parts was typified by a 97° high and 77° low after 100°/78° the previous day in 1933. Yes, this was the inaugural year of awful Dust Bowl weather. NNNN |
| 2025-06-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 Jun: CLR 60.3° REL HMDTY 76% AIR QLTY 85 - POOR! - DP 52.2° WND NE 5.1 MPH BRM 29.90 STDY VIS 10 MI Sunrise 5:18 Sunset 8:23. 6 Jun: Hi 78.6° (1535) Lo 59.2° (0630) CDD 2 GUST E 15 MPH (1345). *** Central Will County was hit by three EF-2 tornadoes on this date in 2008. At 1746 hours Symerton was struck, Wilton Center at 1754, and at 1808 Green Garden. No injuries occurred and little damage happened to structures. NNNN |
| 2025-06-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6 Jun: MSTLY CLDY 61.5° REL HMDTY 74% AIR QLTY 100 - POOR! - DP 53.4° WND NW 1.1 MPH WND CHILL --.-° BRM 29.99 STDY VIS 4 MI Sunrise 5:18 Sunset 8:22. 5 Jun: Hi 71.1° (1220) Lo 55.2° (0705) HDD 2 GUST NE 26 MPH (1145). *** Temperature was cold at 49°, barometer rising, low cumulus clouds, west-northwest winds 18-30 MPH, and choppy, chilly seas were present on the pre-dawn morning of 6 June 1944 in the English Channel as my Uncle Leonard and tens of thousands of other Yanks, Brits, and Canucks pulled off the great D-Day invasion of Normandy. NNNN |
| 2025-06-05 | 7:00 AM | 0.50 | NA | NA | NA | NA | | 5 Jun: LT FG 55.9° REL HMDTY 99% AIR QLTY 114 - UNHEALTHY! - DP 55.6° WND NE 13.1 MPH WND CHILL --.-° BRM 30.06 STDY VIS 3 MI Sunrise 5:18 Sunset 8:22. 4 Jun: Hi 67.8° (0900) Lo 53.8° (0610) HDD 2 GUST NE 16 MPH (0955). *** The Joliet Arsenal explosion at 2:45 a.m. on this date in 1942 killed 48 workers. The night had been pleasant with a low of 60° under dry skies. To this day, 83 years after, the cause of the disaster has not been pinpointed. NNNN |
| 2025-06-04 | 7:00 AM | 0.67 | NA | NA | NA | NA | | 4 Jun: LT R 65.8° REL HMDTY 99% AIR QLTY 41 DP 65.5° WND S 7.0 MPH WND CHILL --.-° BRM 29.90 RSG VIS 4 MI Sunrise 5:19 Sunset 8:21. 3 Jun: Hi 87.1° (1615) Lo 65.8° (0641) CDD 14 GUST S 41 MPH (1345). *** 2,000 witnessed a Friday speech by Reverend Martin Luther King at Joliet Memorial Stadium on this date in 1965. Pleasant weather was evident that evening after a high of 75° with a gentle breeze that refreshed the throng. NNNN |
| 2025-06-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Jun: CLR 66.0° REL HMDTY 73% AIR QLTY 46 DP 56.8° WND S 9.1 MPH WND CHILL --.-° BRM 29.93 STDY VIS 10 MI Sunrise 5:19 Sunset 8:20. 2 Jun: Hi 85.6° (1645) Lo 57.0° (0700) CDD 2 GUST S 16 MPH (1435). *** One of Joliet’s regular floods happened on this date in 1902. 4” rain fell in two hours and waters as deep as 10’ helped to kill three and cause $2,000,000 damage. Those losses would be $73,600,000 in 2025 money. NNNN |
| 2025-06-02 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 2 Jun: CLR 58.6° REL HMDTY 41% AIR QLTY 34 DP 34.0° WND CLM 0.0 MPH WND CHILL --.-° BRM 30.07 STDY VIS 10 MI Sunrise 5:19 Sunset 8:20. 1 Jun: Hi 68.9° (1535) Lo 48.6° (0700) HDD 7 GUST E 14 MPH (1345). *** A record 16 days in June over 90° baked the area in 1954. 1988 was not far behind with 14 and it featured three days above 100°. NNNN |
| 2025-06-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 1 Jun: CLR 44.1° REL HMDTY 85% AIR QLTY 65 - POOR! - DP 39.6° WND CLM 0.0 MPH WND CHILL --.-° BRM 29.89 STDY VIS 9 MI Sunrise 5:20 Sunset 8:19. 31 May: Hi 68.9° (1400) Lo 39.9° (0500) HDD 8 GUST N 17 MPH (0700). *** Latest date in the calendar year to reach 80° (83°) occurred 52 years ago in 1973. 151 days of the year had passed with the most recent 80°+ having been recorded on September 20 (1972). The earliest reading of this magnitude was an astonishing 74 days (with an 81°) in the hot, drought year of 2012. NNNN |
| 2025-05-31 | 7:00 AM | 0.01 | NA | NA | NA | NA | | Rain: 2025 12.52" (normal 13.25"), Spring 6.85" (norm 10.59"), May 1.73" (norm 4.63") LOWEST MAY TOTAL IN 15 YEARS OF DOING COCORAHS! 31 May: CLR 53.1° REL HMDTY 70% AIR QLTY 22 DP 43.5° WND NW 10.1 MPH WND CHILL 50.1° BRM 29.85 RSG VIS 10 MI Sunrise 5:20 Sunset 8:18. 30 May: Hi 74.2° (1235) Lo 52.0° (0620) HDD 2 GUST NE 21 MPH (0245). *** This odious occasion in 1934 produced the all-time Northeastern Illinois May high of 98° which came during – what else? - the horrible Dust Bowl days. NNNN |
| 2025-05-30 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rain: 2025 12.51" (normal 13.25"), Spring 6.84" (norm 10.59"), May 1.72" (norm 4.63") LOWEST MAY TOTAL IN 15 YEARS OF DOING COCORAHS! 30 May: CLR 52.0° REL HMDTY 94% AIR QLTY 58 - POOR! - DP 50.2° WND NW 7.0 MPH WND CHILL 48.2° BRM 29.85 STDY VIS 10 MI Sunrise 5:21 Sunset 8:18. 29 May: Hi 72.5° (1640) Lo 52.0° (0600) HDD 3 GUST SW 15 MPH (1445). *** With a gentle 84° high, 59° low, sunny, great visibility of 15 miles, and moderate breezes from the southwest, old Silver Cross Hospital in Joliet on this date in 1950 was a beautiful day and place to have been born. NNNN |
| 2025-05-29 | 6:00 AM | 0.40 | NA | NA | NA | NA | | 29 May: FG 51.4° REL HMDTY 99% AIR QLTY 43 DP 51.1° WND SW 6.0 MPH WND CHILL 49.4° BRM 30.05 STDY VIS 1.5 MI Sunrise 5:21 Sunset 8:17. 28 May: Hi 67.8° (1545) Lo 49.3° (0330) HDD 6 GUST NE 15 MPH (1245). *** Just 7% of Memorial Day holidays have had readings of 90° or above. NNNN |
| 2025-05-28 | 7:00 AM | 0.13 | NA | NA | NA | NA | | 28 May: LT R 54.7° REL HMDTY 91% AIR QLTY 24 DP 52.2° WND N 3.0 MPH WND CHILL --.-° BRM 30.02 STDY VIS 10 MI Sunrise 5:22 Sunset 8:16. 27 May: Hi 70.0° (1155) Lo 54.5° (0555) HDD 4 GUST NE 16 MPH (1245). *** The hottest Memorial Day readings came via 95° of heat in both 2012 and 2018. NNNN |
| 2025-05-27 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 May: CLR 53.2° REL HMDTY 80% AIR QLTY 15 DP 47.5° WND N 7.1 MPH WND CHILL 51.4° BRM 30.15 STDY VIS 10 MI Sunrise 5:23 Sunset 8:14. 26 May: Hi 70.4° (1505) Lo 50.7° (0700) HDD 8 GUST NE 21 MPH (1225). *** After beginning its trek in Chicago, the Empire Builder train was struck by a tornado on this date in 1931. One passenger was killed and 57 injured with one of the cars hurled 80 feet away from the track. NNNN |
| 2025-05-26 | 7:00 AM | 0.02 | NA | NA | NA | NA | | 26 May: CLR 45.7° REL HMDTY 89% AIR QLTY 17 DP 42.6° WND NE 1.1 MPH WND CHILL --.-° BRM 30.25 STDY VIS 10 MI Sunrise 5:23 Sunset 8:14. 25 May: Hi 66.7° (1610) Lo 42.1° (0530) HDD 18 GUST E 15 MPH (1445). *** Brr! 34° on this morning in 1983 as the frigid era of the late 1970s/early 1980s continued to revise record books. NNNN |
| 2025-05-25 | 7:00 AM | 0.02 | NA | NA | NA | NA | | 25 May: LT R 52.7° REL HMDTY 82% AIR QLTY 17 DP 48.6° WND CLM 0.0 MPH WND CHILL --.-° BRM 30.25 RSG VIS 8 MI Sunrise 5:24 Sunset 8:13. 24 May: Hi 69.8° (1550) Lo 52.5° (0625) HDD 11 GUST NE 17 MPH (2115). *** Several locations in Northeastern Illinois had anecdotal reports of a trace of snow on this date in 1924 but none originated from official sources. NNNN |
| 2025-05-24 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 24 May: OVRCST 42.6° REL HMDTY 92% AIR QLTY 33 DP 40.3° WND NE 3.0 MPH WND CHILL --.-° BRM 30.14 STDY VIS 10 MI Sunrise 5:25 Sunset 8:12. 23 May: Hi 68.2° (1550) Lo 42.3° (0520) HDD 11 GUST NE 26 MPH (1655). *** The heat wave of 1977 produced its final 90° reading on this date during that year's spring streak of sizzlers. NNNN |
| 2025-05-23 | 6:00 AM | T | NA | NA | NA | NA | | 23 May: OVRCST 43.2° REL HMDTY 97% AIR QLTY 22 DP 42.4° WND SW 7.0 MPH WND CHILL 39.2° BRM 30.01 STDY VIS 10 MI Sunrise 5:25 Sunset 8:12. 22 May: Hi 59.0° (1810) Lo 43.2° (0527) HDD 13 GUST NW 16 MPH (1255). *** 55-70 MPH winds @ 1540 broke large limbs off trees in the Lincoln-Way area in 2020. The dangerous DeRecho in New Lenox 79 days later would make this look as only a pleasant zephyr. NNNN |
| 2025-05-22 | 6:00 AM | 0.03 | NA | NA | NA | NA | | 22 May: OVRCST 48.2° REL HMDTY 93% AIR QLTY 11 DP 46.4° WND NW 9.4 MPH WND CHILL 44.4° BRM 29.86 STDY VIS 10 MI Sunrise 5:26 Sunset 8:11. 21 May: Hi 52.5° (1445) Lo 48.2° (0520) HDD 15 GUST W 23 MPH (1445). *** The 31° mark on this date in 2002 was the latest sub-freezing low so far into spring. Global warming, right? Ha-ha! NNNN |
| 2025-05-21 | 6:00 AM | 0.12 | NA | NA | NA | NA | | 21 May: FG/MST 52.2° REL HMDTY 99% AIR QLTY 22 DP 51.8° WND NW 1.1 MPH WND CHILL 52.2° BRM 29.61 STDY VIS 1.75 MI Sunrise 5:27 Sunset 8:10. 20 May: Hi 58.6° (1605) Lo 50.4° (0700) HDD 13 GUST SE 28 MPH (1345). *** This glorious day in 1972 was sunny and dry with gentle breezes and a high of 83°. Great weather for college graduation in ZIP 62650! NNNN |
| 2025-05-20 | 6:00 AM | 0.39 | NA | NA | NA | NA | | 20 May: R 50.2° REL HMDTY 95% AIR QLTY 21 DP 48.9° WND E 17.2 MPH WND CHILL 45.4° BRM 29.78 STDY VIS 2.5 MI Sunrise 5:28 Sunset 8:09. 19 May: Hi 56.1° (1240) Lo 44.4° (0700) HDD 16 GUST NE 29 MPH (1745). *** 95° was the peak reading in 1977 during the third day of eight straight hotties. That night, the minimum of 70° also made the record books. NNNN |
| 2025-05-19 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 19 May: OVRCST 46.0° REL HMDTY 85% AIR QLTY 12 DP 41.5° WND NE 17.4 MPH WND CHILL 38.9° BRM 30.02 STDY VIS 10 MI Sunrise 5:29 Sunset 8:07. 18 May: Hi 70.5° (1500) Lo 45.9° (0525) HDD 10 GUST NE 23 MPH (0545). *** Trace snow fell on Joliet in 1917 as U.S. entered World War I and troop trains began departing Union Station amid continuing protests. Even the unincorporated hamlet of New Lenox heard the voices of those who exercised their First Amendment freedoms that would soon be quashed in the name of national unity. NNNN |
| 2025-05-18 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 18 May: CLR 48.4° REL HMDTY 86% AIR QLTY 32 DP 44.8° WND CLM 0.0 MPH WND CHILL --.-° BRM 29.89 STDY VIS 10 MI Sunrise 5:29 Sunset 8:07. 17 May: Hi 71.6° (1700) Lo 48.4° (0531) HDD 2 GUST W 32 MPH (1045). *** First of record eight consecutive 90°+ May days was recorded on this date in 1977. NNNN |
| 2025-05-17 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Dust Storm 1815-1845 17 May: OVRCST 54.0° REL HMDTY 68% AIR QLTY 27 DP 43.7° WND W 17.2 MPH WND CHILL 49.0° BRM 29.57 RSG VIS 10 MI Sunrise 5:30 Sunset 8:06. 16 May: Hi 88.2° (1630) Lo 53.8° (0545) CDD 9 GUST S 44 MPH (1745). *** Three days after a 3.6” deluge raised floodwaters in New Lenox (2020), 3.1” more fell and sent Hickory Creek over its banks in the usual Brookwood neighborhood. NNNN |
| 2025-05-16 | 7:00 AM | 0.07 | NA | NA | NA | NA | | 16 May: CLR 60.8° REL HMDTY 77% AIR QLTY 40 DP 53.6° WND S 9.0 MPH WND CHILL --.-° BRM 29.65 STDY VIS 10 MI Sunrise 5:31 Sunset 8:05. 15 May: Hi 93.6° (record!) (1555) Lo 59.9° (0520) CDD 11 GUST S 38 MPH (1855). *** When the mercury soared to 94° on this date in 1964, school was dismissed early in Joliet. Before the brutal winters of the late 1970s/early 1980s, Districts 86 and 204 almost never shut down for any weather-related reason. NNNN |
| 2025-05-15 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 15 May: CLR 66.2° REL HMDTY 87% AIR QLTY 25 DP 62.4° WND E 1.1 MPH WND CHILL --.-° BRM 29.62 STDY VIS 10 MI Sunrise 5:32 Sunset 8:04. 14 May: Hi 84.4° (1625) Lo 62.4° (0700) CDD 3 GUST E 13 MPH (2135). *** To this day on the calendar there has never been measurable snow on this or a later date before the end of autumn in Joliet or New Lenox. NNNN |
| 2025-05-14 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 14 May: FG/MST 60.8° REL HMDTY 93% AIR QLTY 29 DP 58.5° WND CLM 0.0 MPH WND CHILL --.-° BRM 29.75 STDY VIS 5 MI Sunrise 5:33 Sunset 8:03. 13 May: Hi 80.2° (1340) Lo 60.6° (0615) CDD 3 GUST NE 15 MPH (1745). *** 3.6” rain inundated the Lincoln-Way area on this date in 2020. Over a century earlier, legendary John Hope from earliest days of The Weather Channel was born in 1919. NNNN |
| 2025-05-13 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 13 May: CLR 60.3° REL HMDTY 97% AIR QLTY 23 DP 59.5° WND E 5.0 MPH WND CHILL --.-° BRM 29.85 STDY VIS 9 MI Sunrise 5:34 Sunset 8:02. 12 May: Hi 82.2° (1625) Lo 59.5° (0720) HDD 1 GUST NE 25 MPH (1645). *** At 6:30 p.m. on 13 May 1886 high winds blew, rain pelted, hail hammered, and thunder thwacked during a Burr Robbins circus near downtown Joliet. Animals stampeded, tents were destroyed, and dozens hurt but no fatalities were recorded. NNNN |
| 2025-05-12 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 12 May: CLR 52.3° REL HMDTY 75% AIR QLTY 23 DP 45.0° WND NE 6.1 MPH WND CHILL 50.3° BRM 30.06 FLG VIS 10 MI Sunrise 5:35 Sunset 8:01. 11 May: Hi 76.3° (1605) Lo 49.6° (0720) HDD 8 GUST NE 18 MPH (1255). *** Highest minimum daily temperature in the first 4 ½ months of any year – 74° - occurred three years ago in 2022. NNNN |
| 2025-05-11 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 11 May: CLR 43.5° REL HMDTY 80% AIR QLTY 20 DP 37.8° WND NE 9.1 MPH WND CHILL 38.5° BRM 30.23 STDY VIS 10 MI Sunrise 5:36 Sunset 8:00. 10 May: Hi 75.4° (1155) Lo 43.5° (0515) HDD 5 GUST NE 28 MPH (1155). *** Latest measurable snow (0.2”) occurred on this date in 1966. Your intrepid CoCoRaHS man still remembers running the mile that afternoon in a Joliet Central track meet as frigid flakes fell. The harrier’s speed was not enhanced by the cool air or by any other environmental factors. NNNN |
| 2025-05-10 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 10 May: OVRCST 42.4° REL HMDTY 66% AIR QLTY 46 DP 31.5° WND CLM 0.0 MPH WND CHILL --.-° BRM 30.14 STDY VIS 10 MI Sunrise 5:37 Sunset 7:59. 9 May: Hi 68.0° (1725) Lo 41.4° (0445) HDD 13 GUST NE 18 MPH (1155). *** 90° high temperature and a record low 13% relative humidity with powerful northwest winds caused a fierce Joliet area dust storm on this date 1934. Dust would eventually obscure the sun for two days and visibility was regularly under a mile. Health problems arose, mainly of respiratory nature. Pedestrians were temporarily blinded and motorists’ windshields were blocked. Scientists at Abbott Labs surmised that winds dumped 6,000 tons of silt on the area. Effects of spring cleaning were negated as the dust blew through window and door frames. NNNN |
| 2025-05-09 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 9 May: CLRwFRST 39.2° REL HMDTY 86% AIR QLTY 24 DP 35.2° WND N 8.1 MPH WND CHILL 32.8° BRM 30.19 STDY VIS 10 MI Sunrise 5:39 Sunset 7:58. 8 May: Hi 61.2° (1255) Lo 37.2° (0410) HDD 15 GUST NE 30 MPH (0845). *** The Chicago lakefront temperature fell from 84° at 1:47 p.m. to 62° 150 seconds later on this date in 1963. At Wrigley Field the Cubs hit their way to an early lead over Pittsburgh before the radical temperature change. During the 7 ½ innings of the tilt hurriedly played after the mercury dropped, only three batters garnered hits but the Northsiders held on for a rare 3-1 triumph. NNNN |
| 2025-05-08 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8 May: PRTLY CLDY 48.2° REL HMDTY 83% AIR QLTY 17 DP 43.3° WND N 20.9 MPH WND CHILL 41.2° BRM 30.06 STDY VIS 10 MI Sunrise 5:40 Sunset 7:57. 7 May: Hi 78.3° (1325) Lo 47.8° (0310) HDD 3 GUST NE 26 MPH (1855). *** Raw, windy day with a cloudy high of only 54° after a low of 38° but tens of thousands celebrated VE Day in Joliet 1945. Hmm, 80 years ago. NNNN |
| 2025-05-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 May: CLR 51.3° REL HMDTY 89% AIR QLTY 40 DP 47.8° WND S 6.0 MPH WND CHILL 49.1° BRM 30.03 RSG VIS 10 MI Sunrise 5:41 Sunset 7:56. 6 May: Hi 75.8° (1730) Lo 47.3° (0700) HDD 3 GUST NW 23 MPH (1550). *** Gray, dank 6 ½ month period from November 2022 to early May 2023 paused for 24 hours with record high of 87° two years ago but the maximum on the following day did not did not leave the upper 50s. String of gloomy months had these average readings: Nov 43°, Dec 30°, Jan 33°, Feb 34°, Mar 39°, and April 51°. The only warm spell was from 13-15 April when records were set with a skein of 83° days. NNNN |
| 2025-05-06 | 6:00 AM | T | NA | NA | NA | NA | | 6 May: FG/MST 43.2° REL HMDTY 99% AIR QLTY 36 DP 42.3° WND SW 6.0 MPH WND CHILL 39.4° BRM 29.99 STDY VIS 5 MI Sunrise 5:42 Sunset 7:55. 5 May: Hi 63.9° (1600) Lo 42.8° (0530) HDD 11 GUST NE 13 MPH (1850). *** The late 1970s and early 1980s are remembered for cold weather in Northeastern Illinois. No exception occurred on this late date in 1983 as the Lincoln-Way area tallied an overnight low of 29°. NNNN |
| 2025-05-05 | 7:00 AM | 0.05 | NA | NA | NA | NA | | 5 May: OVRCST 48.4° REL HMDTY 94% AIR QLTY 17 DP 46.6° WND NE 14.5 MPH WND CHILL 42.4° BRM 29.93 STDY VIS 9 MI Sunrise 5:43 Sunset 7:54. 4 May: Hi 55.8° (1425) Lo 48.0° (0550) HDD 13 GUST N 35 MPH (1350). *** 70° was the overnight MINIMUM on this occasion in 1959. The high for the day that followed was an understandable and record 91°. In the past 66 years no temperature on this date has reached that mark. NNNN |
| 2025-05-04 | 6:00 AM | T | NA | NA | NA | NA | | 4 May: OVRCST 45.5° REL HMDTY 80% AIR QLTY 17 DP 39.7° WND N 12.1 MPH WND CHILL 39.7° BRM 29.91 STDY VIS 10 MI Sunrise 5:44 Sunset 7:52. 3 May: Hi 57.2° (1250) Lo 45.5° (0555) HDD 16 GUST NE 28 MPH (1245). *** Even though the overnight minimum reached 32° on this date in 1954, the frosty reading is nowhere near the record low for chill so far into spring. Stay tuned. NNNN |
| 2025-05-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 May: OVRCST 45.3° REL HMDTY 84% AIR QLTY 22 DP 40.8° WND N 10.8 MPH WND CHILL 40.3° BRM 29.91 STDY VIS 10 MI Sunrise 5:46 Sunset 7:51. 2 May: Hi 61.7° (1345) Lo 45.3° (0625) HDD 13 GUST NE 20 MPH (2035). *** On this date in 1949, a four-day streak of 90+ temperatures smoked the Joliet region. The hottest was the final day when the mercury soared to 94°. NNNN |
| 2025-05-02 | 7:00 AM | 0.12 | NA | NA | NA | NA | | 2 May: OVRCST 57.7° REL HMDTY 99% AIR QLTY 28 DP 57.2° WND S 4.5 MPH WND CHILL --.-° BRM 29.76 STDY VIS 10 MI Sunrise 5:47 Sunset 7:50. 1 May: Hi 70.4° (1230) Lo 53.8° (0415) HDD 5 GUST W 28 MPH (1455). *** The day after the Cubs and Bees were snowed out (5/1/1940), another storm hit and deposited 2.2” fluffy stuff. That year’s fifth month is still the snowiest in Northeastern Illinois history. NNNN |
| 2025-05-01 | 7:00 AM | 0.37 | NA | NA | NA | NA | | 1 May: LT R 56.8° REL HMDTY 98% AIR QLTY 19 DP 56.1° WND E 6.0 MPH WND CHILL --.-° BRM 29.96 FLG VIS 4 MI Sunrise 5:48 Sunset 7:49. 30 Apr: Hi 65.3° (1220) Lo 48.6° (0700) HDD 12 GUST SE 21 MPH (0515). *** On 30 April 1940, the Chicago Cubs mounted a thrilling comeback win against the Boston Bees. Although the game lasted but 2:25, 15 runs were scored by the two clubs and the final came via a decisive Al Todd homer into Waveland Avenue. The next morning 1.6” snow fell and ensuing crummy weather effectively kept the Wrigleys off the field until 4 May when they narrowly defeated the New York Giants and future HOF hurler Carl Hubbell. Play ball! NNNN |
| 2025-04-30 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rain: 2025 10.50" (norm 9.62") Spring 9.37" (5.95") April 5.12" (3.72") Snow: Season 19.9" (norm 39.5") 2025 14.2" (31.5") April 0" (1.1") 30 Apr: CLR 46.9° REL HMDTY 85% AIR QLTY 18 DP 42.4° WND NE 6.2 MPH WND CHILL 43.8° BRM 30.10 STDY VIS 10 MI Sunrise 5:50 Sunset 7:48. 29 Apr: Hi 74.5° (0840) Lo 44.2° (0445) HDD 1 GUST 36 MPH (0845). *** Most April snow to visit the region was 13.6” in 1938. Were the Great Depression/WWII-era folks wondering if spring would ever arrive? NNNN |
| 2025-04-29 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Rain: 2025 10.50" Spring 9.37" April 5.12" Snow: Season (November 2024 to April 2025) 19.9" 2025 14.2" April 0" 29 Apr: CLDY 72.0° REL HMDTY 76% AIR QLTY 35 DP 64.2° WND SW 25.6 MPH WND CHILL --.-° BRM 29.81 STDY VIS 10 MI Sunrise 5:51 Sunset 7:47. 28 Apr: Hi 84.4° (1635) Lo 53.4° (0700) CDD 4 GUST S 43 MPH (1845). *** The coldest April took place just seven years ago (2018). 15 days in that chilly month saw below-freezing temperatures. NNNN |
| 2025-04-28 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 28 Apr: CLR 52.2° REL HMDTY 68% AIR QLTY 25 DP 41.7° WND SE 12.5 MPH WND CHILL 48.0° BRM 30.10 STDY VIS 10 MI Sunrise 5:52 Sunset 7:46. 27 Apr: Hi 71.1° (1640) Lo 34.6° (0545) HDD 11 GUST S 21 MPH (1545). *** Coldest April came in the third full year (1874) of Northeastern Illinois records when the region shivered through a 38.7° average temperature. Not much in the way of whole-house furnaces, fiberglass insulation, and electric blankets 151 years ago. NNNN |
| 2025-04-27 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 Apr: CLR 34.0° REL HMDTY 93% AIR QLTY 25 DP 31.8° WND CLM 0.0 MPH WND CHILL --.-° BRM 30.27 STDY VIS 10 MI Sunrise 5:54 Sunset 7:45. 26 Apr: Hi 57.0° (1610) Lo 34.0° (0545) HDD 17 GUST N 21 MPH (1645). *** On 25 April 2019, your indefatigable CoCoRaHS man in New Lenox tallied 2.5” snow. The end of winter? No. 2.5” more came our way 48 hours later. Here’s hoping that these storms will remain the highest amount ever so late in spring. NNNN |
| 2025-04-26 | 6:00 AM | 0.42 | NA | NA | NA | NA | | 26 Apr: OVRCST 45.9° REL HMDTY 79% AIR QLTY 22 DP 39.4° WND N 9.2 MPH WND CHILL 40.9° BRM 30.17 RSG VIS 10 MI Sunrise 5:55 Sunset 7:44. 25 Apr: Hi 63.1° (1050) Lo 45.9° (0557) HDD 12 GUST NE 22 MPH (1445). *** The first photo of a tornado (1884!) was taken in – where else? - Toto and Dorothy‘s Kansas! NNNN |
| 2025-04-25 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 25 Apr: OVRCST 49.8° REL HMDTY 77% AIR QLTY 21 DP 42.8° WND NE 8.4 MPH WND CHILL 46.8° BRM 29.97 STDY VIS 10 MI Sunrise 5:57 Sunset 7:43. 24 Apr: Hi 84.2° (1535) Lo 49.6° (0640) HDD 2 GUST NE 25 MPH (2055). *** Do you remember this recent weather craziness? 2.5” snow blanketed New Lenox on this date in 2019. NNNN |
| 2025-04-24 | 7:00 AM | 0.04 | NA | NA | NA | NA | | 24 Apr: CLR 49.6° REL HMDTY 90% AIR QLTY 49 DP 46.8° WND N 3.0 MPH WND CHILL --.-° BRM 30.11 STDY VIS 10 MI Sunrise 5:59 Sunset 7:42. 23 Apr: Hi 77.9° (1555) Lo 49.6° (0600) CDD 1 GUST SE 18 MPH (1355). *** Don’t like today’s elements? Just wait a bit. On this date in 1986 a morning low of 25° became a balmy 81° barely over a day later. NNNN |
| 2025-04-23 | 6:00 AM | 0.89 | NA | NA | NA | NA | | 23 Apr: R 55.6° REL HMDTY 95% AIR QLTY 24 DP 54.0° WND W 21.2 MPH WND CHILL --.-° BRM 30.14 RSG VIS 10 MI Sunrise 5:59 Sunset 7:41. 22 Apr: Hi 76.1° (1720) Lo 44.1° (0700) HDD 7 GUST SW 30 MPH (1745). *** The Lincoln-Way area's final meteorological indignity of then-record winter weather came when 3.1” of last-gasp snow fell on this late date in 1967. This mess occurred just 60 hours after a series of Northeastern Illinois tornadoes killed 55. NNNN |
| 2025-04-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 22 Apr: CLR 39.6° REL HMDTY 99% AIR QLTY 47 DP 39.2° WND S 7 MPH WND CHILL 34.6° BRM 30.09 STDY VIS 10 MI Sunrise 6:01 Sunset 7:40. 21 Apr: Hi 57.0° (1755) Lo 38.5° (0525) HDD 12 GUST W 36 MPH (0845). *** The hottest day ever in April was a 91° scribbled into the books on this date in 1980. NNNN |
| 2025-04-21 | 7:00 AM | 0.65 | NA | NA | NA | NA | | 21 Apr: OVRCST/MST 56.5° REL HMDTY 92% AIR QLTY 18 DP 54.1° WND SW 14 MPH WND CHILL --.-° BRM 29.71 STDY VIS 7 MI Sunrise 6:02 Sunset 7:38. 20 Apr: Hi 64.4° (1710) Lo 49.8° (0700) HDD 13 GUST S 35 MPH (0215). *** The vicious F-4 Oak Lawn tornado struck at evening rush hour (5:30 p.m.) on this Friday in 1967. 33 were killed, 1,100 injured, and 152 homes totally destroyed. NNNN |
| 2025-04-20 | 5:00 AM | T | NA | NA | NA | NA | | 20 Apr: FG 49.3° REL HMDTY 86% AIR QLTY 33 DP 45.7° WND E 8.4 MPH WND CHILL 45.3° BRM 30.24 RSG VIS 5 MI Sunrise 6:04 Sunset 7:37. 19 Apr: Hi 57.7° (1755) Lo 45.3° (0820) HDD 13 GUST NW 16 MPH (1845). *** Easter extremes: hottest 85° 4/10/1977, coldest 11° 3/24/1940,
rainiest 3” 3/31/1929, and snowiest 7.1” with 40 MPH winds off Lake Michigan 3/29/1964. Also, at 6:09 p.m. on this date in 2004, a 200-yard wide F-3 tornado barreled through the heart of Utica and killed 8. RIP Milestone Tap. NNNN
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| 2025-04-19 | 7:00 AM | 0.12 | NA | NA | NA | NA | | 19 Apr: OVRCST 52.9° REL HMDTY 95% AIR QLTY 34 DP 51.1° WND NW 8.5 MPH WND CHILL 50.9° BRM 29.92 RSG VIS 10 MI Sunrise 6:05 Sunset 7:36. 18 Apr: Hi 77.2° (1150) Lo 52.9° (0628) CDD 3 GUST SW 31 MPH (1545). *** Glorious weather greeted sister #3’s earthly arrival on this date in 1965. Her happy parents and siblings rejoiced under a high of 62° with fair/dry conditions and light zephyrs. Happy 60th, Pip! NNNN |
| 2025-04-18 | 7:00 AM | 0.07 | NA | NA | NA | NA | | 18 Apr: CLR 59.9° REL HMDTY 67% AIR QLTY 31 DP 48.9° WND S 15.2 MPH WND CHILL --.-° BRM 29.68 FLG VIS 10 MI Sunrise 6:07 Sunset 7:35. 17 Apr: Hi 63.5° (1330) Lo 45.3° (0700) HDD 13 GUST SE 35 MPH (1855). *** In another example of wacky spring weather, 3.83” rain fell on this date 50 years ago. Also, renowned Chicago weather wizard Harry Volkman was born on this date in 1926 (died 8/20/2015). He was the first TV meteorologist to predict and issue a tornado warning. NNNN |
| 2025-04-17 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 17 Apr: CLDY 44.1° REL HMDTY 62% AIR QLTY 22 DP 31.6° WND SE 25.2 MPH WND CHILL 36.9° BRM 30.01 FLG VIS 10 MI Sunrise 6:08 Sunset 7:35. 16 Apr: Hi 56.5° (1540) Lo 32.2° (0700) HDD 22 GUST SE 25 MPH (0055). *** A late-season snowstorm dropped over 5” on Chicago in mid-April 1961. Much of the Cubs’ series with the Milwaukee Braves was cancelled even though the teams tried to play on the 15th. What a sight it was to see Chicago pitchers hurling fast snowballs at batters! As was so often the case in those days, Cubbie hitters flailed and missed. NNNN |
| 2025-04-16 | 7:00 AM | T | NA | NA | NA | NA | | 16 Apr: CLR 30.6° REL HMDTY 91% AIR QLTY 21 DP 28.2° WND CLM 0.0 MPH WND CHILL --.-° BRM 30.09 RSG VIS 10 MI Sunrise 6:10 Sunset 7:33. 15 Apr: Hi 57.2° (1645) Lo 30.0° (0600) HDD 18 GUST NW 37 MPH (0745). *** Despite a high of but 47° under drizzly and gray skies in 1917, the first of many anti-World War I protests broke out in New Lenox. Several arrests were made as locals found themselves deprived of their First Amendment freedoms. NNNN |
| 2025-04-15 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 15 Apr: LT R 40.8° REL HMDTY 83% AIR QLTY 21 DP 36.0° WND W 28.9 MPH WND CHILL 31.8° BRM 29.85 RSG VIS 10 MI Sunrise 6:12 Sunset 7:32. 14 Apr: Hi 64.4° (1540) Lo 40.6° (0650) HDD 9 GUST W 39 MPH (1645). *** A dark day in American history was marked in 1954. On this chilly occasion (high of 56° low 39°), Americans were first required to have their federal income tax forms postmarked to big government by midnight. NNNN |
| 2025-04-14 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 14 Apr: CLDS 55.8° REL HMDTY 72% AIR QLTY 28 DP 46.4° WND W 12.4 MPH WND CHILL 52.6° BRM 29.70 RSG VIS 10 MI Sunrise 6:13 Sunset 7:31. 13 Apr: Hi 66.2° (1810) Lo 48.9° (0700) HDD 7 GUST SE 36 MPH (1245). *** As Democrat segregationist John Wilkes Booth approached the presidential box in Ford’s Theatre at 10:13 p.m. on 14 April 1865, temperatures were in the mid 50s, skies partly cloudy, Gibbous moon hung low at east/southeast, and the Big Dipper was high in the heavens. Mr. Lincoln died at 7:22 the next morning. NNNN |
| 2025-04-13 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 13 Apr: OVRCST 48.9° REL HMDTY 61% AIR QLTY 34 DP 36.1° WND SE 14.5 MPH WND CHILL 43.9° BRM 29.96 FLG VIS 10 MI Sunrise 6:15 Sunset 7:30. 12 Apr: Hi 64.2° (1650) Lo 30.2° (0700) HDD 16 GUST S 18 MPH (2155). *** Mid-April of 1816 saw the first anecdotal reports foretelling what would be called “The Year Without Summer”. Major volcanic eruptions in 1814 (Mt. Mayon) and 1815 (Mt. Tambora) were the greatest in 1300 years and launched 24 cubic miles of stratospheric sulfate into the atmosphere. National effects? Excessive rain/frost/snowfall, sunlight blocked for several years, average temperatures dropped by 0.7 to 1.5 degrees and, in the end, widespread crop failures. In addition, dendochronologists have noted no growth on tree rings in the NE United States and eastern Midwest in 1816. Local effect? Mass migration of thousands of frustrated farmers from New England and Mid-Atlantic into Illinois. This rapid population growth helped give Illinois enough people to be approved for statehood in December 1818. NNNN |
| 2025-04-12 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 12 Apr: CLR 29.3° REL HMDTY 89% AIR QLTY 48 DP 26.8° WND CLM 0.0 MPH WND CHILL --.-° BRM 30.17 STDY VIS 10 MI Sunrise 6:16 Sunset 7:29. 11 Apr: Hi 53.4° (1630) Lo 29.3° (0618) HDD 22 GUST NE 24 MPH (1055). *** 21° greeted early risers in Joliet on this date in 1957. It was the coldest April day for the City of Champions in 80+ years. NNNN |
| 2025-04-11 | 7:00 AM | T | NA | NA | NA | NA | | 11 Apr: PRTLY CLDY 36.3° REL HMDTY 88% AIR QLTY 48 DP 33.4° WND N 9.1 MPH WND CHILL 29.5° BRM 30.17 STDY VIS 10 MI Sunrise 6:18 Sunset 7:28. 10 Apr: Hi 50.2° (1420) Lo 36.3° (0616) HDD 24 GUST NE 18 MPH (1755). *** Heralding Dust Bowl weather, a second consecutive day of 90° was registered on this date in 1930. This had never happened before - or since - in 154 years of April weather records in the Joliet area. NNNN |
| 2025-04-10 | 6:00 AM | 0.02 | NA | NA | NA | NA | | 10 Apr: FG 33.8° REL HMDTY 98% AIR QLTY 56 (poor!) DP 37.6° WND NE 6.2 MPH WND CHILL 33.1° BRM 29.99 STDY VIS 2.0 MI Sunrise 6:19 Sunset 7:27. 9 Apr: Hi 44.8° (1715) Lo 34.0° (0700) HDD 26 GUST SE 30 MPH (1145). *** The area's earliest 90° showed up on this day in 1930 when WGN weather legend and "South Holland Songbird" Roger Triemstra also arrived. NNNN |
| 2025-04-09 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 9 Apr: OVRCST 33.8° REL HMDTY 74% AIR QLTY 25 DP 25.9° WND SE 10.0 MPH WND CHILL 25.6° BRM 30.09 STDY VIS 10 MI Sunrise 6:21 Sunset 7:25. 8 Apr: Hi 45.5° (1715) Lo 25.3° (0700) HDD 30 GUST W 17 MPH (1145). *** Over the years this has been a remarkably unremarkable day in area weather history: record high 78° (1952), record low 21° (1972), most rain 1.58” (1991), and most snow 1.8” (1961). NNNN |
| 2025-04-08 | 6:00 AM | T | NA | NA | NA | NA | | 8 Apr: CLR 25.2° REL HMDTY 74% AIR QLTY 23 DP 18.1° WND NW 8.0 MPH WND CHILL 17.2° BRM 30.12 RSG VIS 10 MI Sunrise 6:23 Sunset 7:24. 7 Apr: Hi 47.3° (1010) Lo 25.0° (0340) HDD 28 GUST N 32 MPH (1245). *** A second record snow in three days hit this area in 1938. On the 6th 9.0” came down and on the 8th another 4.5” disrupted a fractured Joliet spring. NNNN |
| 2025-04-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 Apr: CLR 32.9° REL HMDTY 85% AIR QLTY 31 DP 28.4° WND S 12.1 MPH WND CHILL 24.9° BRM 29.78 FLG VIS 10 MI Sunrise 6:24 Sunset 7:23. 6 Apr: Hi 52.2° (1700) Lo 32.4° (0435) HDD 22 GUST NE 17 MPH (1045). *** 1981-1982 was Northeastern Illinois’ fifth-coldest winter. It continued into April with 7° of chilled mercury on this date after 9.4” snow fell on the 5th. NNNN |
| 2025-04-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6 Apr: CLR 37.0° REL HMDTY 53% AIR QLTY 33 DP 21.0° WND N 7.4 MPH WND CHILL 32.0° BRM 30.11 STDY VIS 10 MI Sunrise 6:26 Sunset 7:22. 5 Apr: Hi 53.4° (1600) Lo 36.9° (0555) HDD 18 GUST NW 18 MPH (1345). *** Early spring of 1938 in northeastern Illinois was extremely warm (9.7 degrees above average) and March produced but 2.8" snow. On April 6, however, heavy, wet snow of 9.1” and high winds created large drifts. Later storms made that April – with 13.8” total - the only one ever to lead a winter season in snow. In fact, 35% of that calendar YEAR'S white fluff fell within the aforementioned 72-hour span. NNNN |
| 2025-04-05 | 7:00 AM | 0.25 | NA | NA | NA | NA | | 5 Apr: OVRCST 41.7° REL HMDTY 97% AIR QLTY 20 DP 41.2° WND N 16.9 MPH WND CHILL 33.5° BRM 29.98 STDY VIS 10 MI Sunrise 6:28 Sunset 7:27. 4 Apr: Hi 51.3° (1325) Lo 38.3° (0700) HDD 21 GUST NE 21 MPH (2035). *** Downpours during a 36-hour span led to 4.48” rain in New Lenox on this date in 1947. This continues to be the worst flood in village history and caused 25% of the town to be evacuated. Hickory Creek’s discharge rate in Joliet was a record 10,200 cubic feet per SECOND. NNNN |
| 2025-04-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 4 Apr: CLR 38.7° REL HMDTY 89% AIR QLTY 24 DP 35.8° WND NE 8.1 MPH WND CHILL 32.7° BRM 30.21 RSG VIS 10 MI Sunrise 6:29 Sunset 7:20. 3 Apr: Hi 51.3° (1040) Lo 36.7° (0205) HDD 17 GUST W 35 MPH (0955). *** After nearly 10” of snow blanketed New Lenox 48 hours earlier in 1975, the morning low temperature on this date fell to 16°. Spring? NNNN |
| 2025-04-03 | 7:00 AM | 0.99 | NA | NA | NA | NA | | 3 Apr: CLR 48.7° REL HMDTY 81% AIR QLTY 17 DP 43.3° WND W 10.3 MPH WND CHILL 43.9° BRM 29.89 RSG VIS 10 MI Sunrise 6:31 Sunset 7:19. 2 Apr: Hi 70.2° (1700) Lo 42.1° (0700) HDD 9 GUST S 37 MPH (1855). *** The driest April in 154 years of Northeastern Illinois weather annals happened in the cold cycle of 1899 when but 0.14” rain fell. NNNN |
| 2025-04-02 | 6:00 AM | 1.66 | 0.0 | NA | NA | NA | | 2 Apr: HVY R 40.6° REL HMDTY 98% AIR QLTY 22 DP 39.9° WND E 18.5 MPH WND CHILL 35.6° BRM 29.59 FLG VIS 2.5 MI Sunrise 6:33 Sunset 7:18. 1 Apr: Hi 47.7° (1600) Lo 30.2° (0710) HDD 26 GUST E 36 MPH (0135). *** The erratic spring of 1975 took another turn on this fine date when 9.4” snow socked Joliet. NNNN |
| 2025-04-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 1 Apr: CLR 30.0° REL HMDTY 80% AIR QLTY 26 DP 24.8° WND E 5.0 MPH WND CHILL 25.1° BRM 30.11 STDY VIS 10 MI Sunrise 6:34 Sunset 7:17. 31 Mar: Hi 46.9° (1730) Lo 30.0° (0610) HDD 24 GUST NW 22 MPH (1000). *** April Fools’ Day was truly a goofy one for enthusiasts of warmth on this date in 1970. Just when people were ready for spring, 8.2” of heavy, wet snow visited Northeastern Illinois. NNNN |
| 2025-03-31 | 7:00 AM | 0.24 | NA | NA | NA | NA | | Rain: March 4.25" (norm 2.23") 2025 5.77" (norm 5.90"). Snow: March 3.4" (norm 7.0") 2024-2025 Snow Season (Nov-Mar) 19.9" (norm 30.9"). 31 Mar: OVRCST 36.0° REL HMDTY 82% AIR QLTY 16 DP 32.4° WND NW 7.5 MPH WND CHILL 31.1° BRM 29.79 RSG VIS 10 MI Sunrise 6:36 Sunset 7:16. 30 Mar: Hi 76.6° (1255) Lo 36.0° (0620) HDD 7 GUST SW 37 MPH (1545). *** March logged an average temperature of 57.4° in 2012. Wow, it was 5° warmer than the second-place World War II year of 1945. NNNN |
| 2025-03-30 | 7:00 AM | 0.06 | NA | NA | NA | NA | | 30 Mar: OVRCST 61.7° REL HMDTY 97% AIR QLTY 19 DP 61.0° WND S 15 MPH WND CHILL --.-° BRM 29.65 FLG VIS 10 MI Sunrise 6:38 Sunset 7:15. 29 Mar: Hi 66.0° (1220) Lo 57.9° (2135) HDD 8 GUST S 23 MPH (1645). *** The “Year of No Winter” came to a close in 1878. Warm, late November 1877 portended what would ensue over the next four months. December temperatures were above average 30 days of 31. The following months featured nearly 20+ days of relative and even record warmth with February hitting the jackpot at 28 of 28. Little snow fell and what did quickly melted. Average reading for that span was 37.2° and only nine days recorded temperatures below normal. Both marks have never been surpassed in the past 1 ½ centuries. NNNN |
| 2025-03-29 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 29 Mar: OVRCST 61.5° REL HMDTY 75% AIR QLTY 23 DP 53.1° WND S 13 MPH WND CHILL --.-° BRM 29.83 STDY VIS 10 MI Sunrise 6:39 Sunset 7:13. 28 Mar: Hi 79.5° (1725) Lo 49.6° (0700) HDD 2 GUST SW 38 MPH (1545). *** Snowiest and possibly worst Easter in the Joliet area happened on this date in 1964 when 7.1” snow thwarted my parents’ efforts to take us to the Griffin Museum of Science and Industry. If that wasn’t bad enough, temperatures rose to a high of but 29° and sank to a 19° low in the following 18 hours. NNNN |
| 2025-03-28 | 7:00 AM | 0.16 | NA | NA | NA | NA | | 28 Mar: OVRCST 48.9° REL HMDTY 85% AIR QLTY 35 DP 44.8° WND SE 13.5 MPH WND CHILL 43.9° BRM 29.97 FLG VIS 10 MI Sunrise 6:41 Sunset 7:12. 27 Mar: Hi 53.8° (1420) Lo 41.9° (0700) HDD 17 GUST S 22 MPH (1545). *** The third-deadliest Northeastern Illinois outbreak of tornadoes tore through Channahon, Lockport, and Chicago on this date in 1920. 28 died in the meteorological mayhem. NNNN |
| 2025-03-27 | 7:00 AM | T | NA | NA | NA | NA | | 27 Mar: OVRCST 41.9° REL HMDTY 75% AIR QLTY 38 DP 33.8° WND CLM 0.0 MPH WND CHILL 41.9° BRM 30.17 STDY VIS 10 MI Sunrise 6:43 Sunset 7:11. 26 Mar: Hi 56.8° (1550) Lo 28.8° (0700) HDD 22 GUST W 16 MPH (1655). *** Palm Sunday dust storm and tornadoes in Joliet killed two 90 years ago today (1935). On a far happier note, this station in New Lenox filed its first CoCoRaHS observation in 2010. 5,417 reports! NNNN |
| 2025-03-26 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 26 Mar: OVRCST 28.4° REL HMDTY 87% AIR QLTY 31 DP 25.0° WND NE 5.0 MPH WND CHILL 22.4° BRM 30.14 STDY VIS 9 MI Sunrise 6:46 Sunset 7:10. 25 Mar: Hi 52.5° (1620) Lo 27.7° (0520) HDD 22 GUST NW 25 MPH (1345). *** Greatest one-hour drop in Northeastern Illinois temperatures happened on this date in the cold cycle of 1908 when 71° at 2 p.m. became 41° but 60 minutes later. NNNN |
| 2025-03-25 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 25 Mar: OVRCST 32.4° REL HMDTY 80% AIR QLTY 37 DP 26.8° WND W 5.0 MPH WND CHILL 28.2° BRM 29.93 RSG VIS 10 MI Sunrise 6:46 Sunset 7:09. 24 Mar: Hi 50.4° (1735) Lo 28.8° (0415) HDD 23 GUST NW 35 MPH (1645). *** “Freak of nature” snowstorm dropped 19.2" inches of suffering on Joliet during this date and the following in 1930. NNNN |
| 2025-03-24 | 7:00 AM | 0.09 | NA | NA | NA | NA | | 24 Mar: OVRCST 34.3° REL HMDTY 77% AIR QLTY 22 DP 28.0° WND W 21.8 MPH WND CHILL 23.5° BRM 29.73 RSG VIS 10 MI Sunrise 6:48 Sunset 7:08. 23 Mar: Hi 48.2° (1155) Lo 33.8° (0400) HDD 21 GUST W 44 MPH (2355). *** Northeastern Illinois’ coldest Easter featured 11° on the thermometer, 1” snow on the ground, and stat of 48 HDD on this date in 1940. NNNN |
| 2025-03-23 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 23 Mar: OVRCST 37.4° REL HMDTY 65% AIR QLTY 23 DP 26.8° WND SE 14.4 MPH WND CHILL 29.4° BRM 29.93 FLG VIS 10 MI Sunrise 6:50 Sunset 7:08. 22 Mar: Hi 47.8° (1715) Lo 34.7° (0720) HDD 24 GUST NW 18 MPH (1055). *** Joliet’s latest (in the snow season) sub-zero morning (-1°) rattled the region on this cold-cycle date in 1888. NNNN |
| 2025-03-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 22 Mar: PRTLY CLDY 36.1° REL HMDTY 77% AIR QLTY 23 DP 29.8° WND W 13.4 MPH WND CHILL 28.1° BRM 29.92 RSG VIS 10 MI Sunrise 6:51 Sunset 7:06. 21 Mar: Hi 60.1° (1555) Lo 30.1° (0630) HDD 19 GUST S 40 MPH (1045). *** The ninth consecutive and final record-high minimum (61°) graced Will County on this date in 2012. NNNN |
| 2025-03-21 | 7:00 AM | 0.01 | 0.1 | 0.01 | NA | NA | | 21 Mar: CLR 30.9° REL HMDTY 80% AIR QLTY 23 DP 24.8° WND S 9.1 MPH WND CHILL 21.2° BRM 29.90 FLG VIS 10 MI Sunrise 6:53 Sunset 7:04. 20 Mar: Hi 43.9° (1710) Lo 29.7° (0815) HDD 27 GUST NW 30 MPH (0845). *** This date in 2012 was the second-hottest in March in 154 years of area history. Believe it or not, mercury topped at 87°. Only an 88° on 29 March 1986 outranks the marks of this occasion. NNNN |
| 2025-03-20 | 7:00 AM | 0.80 | 2.0 | NA | NA | NA | | 20 Mar: SNW 30.9° REL HMDTY 99% AIR QLTY 26 DP 30.7° WND NW 15.1 MPH WND CHILL 21.1° BRM 29.69 RSG VIS 1.0 MI Sunrise 6:55 Sunset 7:03. 19 Mar: Hi 62.2° (1105) Lo 30.9° (0645) HDD 24 GUST NW 28 MPH (0455). *** 1960’s third month still holds the standard as the coldest March in 154 years of Northeastern Illinois records. Nine days of that long-ago time had daily maximums that did not crack 30° while 26 of the days featured high temperatures that were 39° or less. A brief warm spell late in the month prevented the month from being colder than the great majorities of Februarys. One day (the 29th) had a high of 72° while no other approached a maximum reading of 60°. NNNN |
| 2025-03-19 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 19 Mar: CLR 50.0° REL HMDTY 82% AIR QLTY 22 DP 45.1° WND CLM 0.0 MPH WND CHILL 50.0° BRM 29.57 STDY VIS 10 MI Sunrise 6:56 Sunset 7:02. 18 Mar: Hi 73.4° (1630) Lo 50.0° (0620) HDD 8 GUST S 35 MPH (1545). *** Earliest final spring freeze came our way exactly 100 years ago - one day after the awful Tri-State tornadoes - when the Roaring Twenties momentarily chilled with a 28°! NNNN |
| 2025-03-18 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 18 Mar: CLR 40.6° REL HMDTY 79% AIR QLTY 17 DP 34.7° WND S 9.0 MPH WND CHILL 35.0° BRM 29.84 STDY VIS 10 MI Sunrise 6:58 Sunset 7:01. 17 Mar: Hi 53.4° (1650) Lo 22.1° (0720) HDD 25 GUST S 32 MPH (1350). *** Middle day of incredible nine-day HOT – not warm - streak in 2012 featured 81° maximum on this glorious date! NNNN |
| 2025-03-17 | 7:00 AM | 0.10 | 0.5 | 0.10 | NA | NA | | 17 Mar: CLR 22.6° REL HMDTY 98% AIR QLTY 50 (poor!) DP 22.1° WND CLM 0.0 MPH WND CHILL 22.6° BRM 30.11 RSG VIS 10 MI Sunrise 7:00 Sunset 7:00. 16 Mar: Hi 35.2° (0710) Lo 21.6° (0615) HDD 29 GUST NW 21 MPH (1345). *** St. Patrick’s Day records are as follows: warmest was 82° in 2012, coldest minimum 0° 1900, coldest high 11° 1941, wettest had 1.42” rain in 1965, and the snowiest featured 4.1” of silent suffering in Orwell’s year of 1984. NNNN |
| 2025-03-16 | 7:00 AM | 0.18 | NA | NA | NA | NA | | 16 Mar: OVRCST 32.5° REL HMDTY 91% AIR QLTY 22 DP 32.9° WND NW 36.5 MPH WND CHILL 30.2° BRM 29.45 RSG VIS 10 MI Sunrise 7:01 Sunset 6:59. 15 Mar: Hi 64.9° (1255) Lo 35.2° (0647) HDD 11 GUST S 33 MPH (0835). *** Brrrr! 13° high and -1° low on this date 1 1/4 centuries ago. NNNN |
| 2025-03-15 | 7:00 AM | 0.56 | NA | NA | NA | NA | | 15 Mar: OVRCST 57.6° REL HMDTY 94% AIR QLTY 42 DP 55.0° WND S 3.4 MPH WND CHILL --.-° BRM 29.22 STDY VIS 10 MI Sunrise 7:03 Sunset 6:58. 14 Mar: Hi 79.5° (1535) Lo 50.2° (0725) HDD 1 GUST S 44 MPH (2250). *** Beware the Ides of March! Maximum temperature of but 17° occurred on this date during Illinois’ second-most-recent cold cycle in 1893. NNNN |
| 2025-03-14 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 14 Mar: PTLY CLDY 50.9° REL HMDTY 74% AIR QLTY 49 (POOR+) DP 43.3° WND S 10.8 MPH WND CHILL 46.9° BRM 29.69 FLG VIS 10 MI Sunrise 7:05 Sunset 6:57. 13 Mar: Hi 68.9° (1605) Lo 34.5° (0700) HDD 18 GUST E 17 MPH (1455). *** Earliest 81° reading was registered on this date in 2012. The toasty day kicked off an unprecedented string of mid-March highs. WLS Chicago weather guy Jerry Taft was born on 14 March in 1943 and met the Lord on 23 July 2020. NNNN |
| 2025-03-13 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 13 Mar: CLR 34.7° REL HMDTY 82% AIR QLTY 50 (POOR!) DP 29.7° WND NE 7.1 MPH WND CHILL 27.7° BRM 29.84 STDY VIS 10 MI Sunrise 7:06 Sunset 6:56. 12 Mar: Hi 59.9° (1500) Lo 34.7° (0555) HDD 22 GUST NE 13 MPH (1455). *** New Lenox was lambasted by a heavy wet snow of 4” amidst a narrow band of temperatures (31°-27°) on this date in 2017. Chilly temperatures which followed allowed the snow to stick around for three more days. NNNN |
| 2025-03-12 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 12 Mar: CLR 36.5° REL HMDTY 43% AIR QLTY 23 DP 16.3° WND E 7.1 MPH WND CHILL 30.7° BRM 29.78 STDY VIS 10 MI Sunrise 7:08 Sunset 6:55. 11 Mar: Hi 56.3° (0955) Lo 36.5° (0653) HDD 18 GUST NE 33 MPH (1015). *** This date in 1902 was sadly soggy and is noted as being one of only four March days with over 2” rain. NNNN |
| 2025-03-11 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 11 Mar: CLR 43.3° REL HMDTY 70% AIR QLTY 23 DP 34.0° WND S 3.0 MPH WND CHILL 43.3° BRM 29.59 STDY VIS 10 MI Sunrise 7:10 Sunset 6:54. 10 Mar: Hi 69.4° (1540) Lo 32.9° (0715) HDD 11 GUST SW 26 MPH (1545). *** Unremarkable day in Northeastern Illinois weather history with no records of any suffocating snowfalls, raucous rainfalls, enervating extremes of heat/cold, or terrible tornadoes/windstorms over 154 years. NNNN |
| 2025-03-10 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 10 Mar: CLR 33.6° REL HMDTY 81% AIR QLTY 22 DP 28.4° WND S 6.0 MPH WND CHILL 29.8° BRM 29.83 STDY VIS 10 MI Sunrise 7:11 Sunset 6:52. 9 Mar: Hi 59.4° (1655) Lo 29.5° (0740) HDD 19 GUST SW 26.0 MPH (1545). *** 60 MPH winds whipped New Lenox in 2021 as a maximum of 69° on 9 March dove toward 30° less than 24 hours later. NNNN |
| 2025-03-09 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 9 Mar: CLR 29.8° REL HMDTY 85% AIR QLTY 25 DP 26.2° WND SW 3.0 MPH WND CHILL 29.8° BRM 29.98 STDY VIS 10 MI Sunrise 7:13 Sunset 6:51. 8 Mar: Hi 51.3° (1515) Lo 25.5° (0700) HDD 27 GUST W 26.0 MPH (1445). *** Balmy high of 69° graced the Lincoln-Way area on this fine date in 2021 but it’s in the record books as the only March daily maximum record not to exceed 70°. NNNN |
| 2025-03-08 | 7:00 AM | 0.09 | T | T | T | T | | 8 Mar: CLR 25.9° REL HMDTY 98% AIR QLTY 31 DP 25.2° WND NW 5.0 MPH WND CHILL 19.9° BRM 30.00 STDY VIS 9 MI Sunrise 6:15 Sunset 5:50. 7 Mar: Hi 37.4° (1550) Lo 25.7° (0555) HDD 28 GUST NE 10.0 MPH (1545). *** 60 MPH winds raged on this date in 2017 as early temperatures rapidly dropped from 65° to 40°. NNNN |
| 2025-03-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 Mar: OVRCST 31.8° REL HMDTY 85% AIR QLTY 33 DP 27.9° WND CLM 0.0 MPH WND CHILL 31.8° BRM 29.99 STDY VIS 10 MI Sunrise 6:16 Sunset 5:49. 6 Mar: Hi 41.4° (1605) Lo 27.1° (0700) HDD 30 GUST NW 26.0 MPH (0845). *** Incredibly low 5.7” snow fell from November 1930 through February 1931. On this date 94 years ago, however, 16.2” of heavy wet snow (dihydrogen monoxide 0.88”) arrived in Northeastern Illinois’ City of Champions. NNNN |
| 2025-03-06 | 6:00 AM | 0.08 | 0.8 | 0.08 | 0.8 | 0.08 | | 6 Mar: CLR 27.3° REL HMDTY 82% AIR QLTY 28 DP 22.6° WND W 13.4 MPH WND CHILL 16.5° BRM 29.76 RSG VIS 10 MI Sunrise 6:18 Sunset 5:48. 5 Mar: Hi 49.8° (0830) Lo 27.3° (0532) HDD 24 GUST NW 37.0 MPH (2050). *** Second of three consecutive dangerous winters featured 0° minimum and 7” of snow smothering the Manhattan prairie on this late date in 1978. NNNN |
| 2025-03-05 | 7:00 AM | 1.52 | NA | NA | NA | NA | | 5 Mar: OVRCST 48.0° REL HMDTY 97% AIR QLTY 20 DP 47.3° WND S 13.4 MPH WND CHILL 43.2° BRM 29.02 STDY VIS 10 MI Sunrise 6:20 Sunset 5:46. 4 Mar: Hi 48.2° (0620) Lo 42.1° (1140) HDD 19 GUST S 24.0 MPH (0845). *** Bone-blasting overnight minimum of -7° in 2002 is still the lowest temperature so late in Northeastern Illinois’ November-to-April snow season. NNNN |
| 2025-03-04 | 7:00 AM | 0.44 | NA | NA | NA | NA | | 4 Mar: T-STRM w/LGHTNNG/THDR 45.5° REL HMDTY 100% AIR QLTY 27 DP 44.8° WND S 14.4 MPH WND CHILL 39.5° BRM 29.71 STDY VIS 5 MI Sunrise 6:22 Sunset 5:45. 3 Mar: Hi 48.4° (1430) Lo 32.0° (0700) HDD 29 GUST S 24.0 MPH (1455). *** -12° on this date in 1873 as the Midwest endured a new cold cycle in weather. It was, however, the last onslaught of the horrible 1872-1873 winter. NNNN |
| 2025-03-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Mar: OVRCST 32.4° REL HMDTY 62% AIR QLTY 25 DP 21.0° WND S 10.0 MPH WND CHILL 24.2° BRM 30.08 FLG VIS 10 MI Sunrise 6:23 Sunset 5:44. 2 Mar: Hi 40.3° (1625) Lo 15.3° (0700) HDD 37 GUST W 14.0 MPH (1455). *** Earliest 80° in the calendar year happened on this date in 1974 as future CoCoRaHS guy coached the Joliet Central baseball team through a very sweaty outdoor practice. NNNN |
| 2025-03-02 | 7:00 AM | T | T | T | NA | NA | | 2 Mar: CLR 14.2° REL HMDTY 85% AIR QLTY 52 (poor!) DP 10.4° WND CLM 0.0 MPH WND CHILL 14.4° BRM 30.24 STDY VIS 10 MI Sunrise 6:24 Sunset 5:43. 1 Mar: Lt Snw 0820 Hi 30.6° (1505) Lo 13.8° (0610) HDD 37 GUST N 22.0 MPH (1015). *** Least snowiest winter (November through the end of March) happened over 100 years ago (1920-21) when only 9.8” came down. NNNN |
| 2025-03-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 1 Mar: MSTLY CLDY 24.8° REL HMDTY 59% AIR QLTY 24 DP 12.9° WND N 20.2 MPH WND CHILL 10.6° BRM 29.94 RSG VIS 10 MI Sunrise 6:26 Sunset 5:42. 28 Feb: Hi 58.6° (1525) Lo 24.6° (0625) HDD 19 GUST W 46.0 MPH (1745). *** Snowiest March was in 1926 when 23.1” fell; least snowiest was but a trace in 2000. NNNN |
| 2025-02-28 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | Precipitation: Feb 0.83" (normal 1.78") 2025 1.53" (3.67") Winter 3.61" (5.75) Snow: Feb 4.0" (12.9") 2025 10.8" (23.4") Winter 16.5" (30.4") 28 Feb: OVRCST 34.2° REL HMDTY 80% AIR QLTY 19 DP 28.4° WND S 9.2 MPH WND CHILL 27.0° BRM 29.69 FLG VIS 10 MI Sunrise 6:28 Sunset 5:41. 27 Feb: Hi 50.2° (1500) Lo 30.7° (0220) HDD 22 GUST W 35.0 MPH (1255). *** On this fine date in 1994, the earliest last measurable snow of season came our way. More than a generation earlier in 1957, the Hickory/Spring Creek floods brought a mammoth 20,000 CFS of dihydrogen monoxide surging into the Des Plaines River. Thousands were displaced in Joliet and the neighboring then-hamlet of New Lenox. NNNN |
| 2025-02-27 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 Feb: FG 34.7° REL HMDTY 99% AIR QLTY 60 POOR! DP 34.5° WND W 6.0 MPH WND CHILL 29.9° BRM 29.82 STDY VIS 0.15 MI Sunrise 6:29 Sunset 5:39. 26 Feb: Hi 53.4° (1630) Lo 34.7° (0637) HDD 21 GUST W 14.0 MPH (0455). *** February 2015 hit the record books as being the coldest month since December 1983. On this date the high was but 19° and the low -6°. A day later, the maximum was only 13° and the minimum -5° with 4” snow on the ground. NNNN |
| 2025-02-26 | 7:00 AM | T | 0.0 | NA | NA | NA | | 26 Feb: OVRCST 41.5° REL HMDTY 81% AIR QLTY 37 DP 36.1° WND SE 8.0 MPH WND CHILL 36.5° BRM 29.75 FLG VIS 10 MI Sunrise 6:31 Sunset 5:38. 25 Feb: Hi 55.0° (1445) Lo 34.3° (0710) HDD 20 GUST W 16.0 MPH (1551). *** A glorious afternoon temperature of 71° shattered the old heat standard by 7 degrees on this date last year. It was the 3rd warmest February day in 153 years of records. The following day also witnessed readings in the low 70s but 11 tornadoes exploded across Northern Illinois. NNNN |
| 2025-02-25 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 25 Feb: PRTLY CLDY 33.4° REL HMDTY 96% AIR QLTY 33 DP 32.9° WND NW 5.0 MPH WND CHILL 29.6° BRM 29.73 RSG VIS 9 MI Sunrise 6:31 Sunset 5:37. 24 Feb: Hi 57.0° (1510) Lo 32.7° (0555) HDD 19 GUST SW 21.0 MPH (1347). *** In the late 19th century’s temperate cycle, 1878 saw Northeastern Illinois’ warmest meteorological winter which neared an end on this date with but one day (7 January) having had a sub-20° high. Lows of below 10° were recorded on just four days. The maximums from mid-December to January were in the 50s each day. NNNN |
| 2025-02-24 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 24 Feb: FG 38.8° REL HMDTY 74% AIR QLTY 28 DP 30.9° WND SW 9.4 MPH WND CHILL 32.8° BRM 29.73 FLG VIS 6 MI Sunrise 6:32 Sunset 5:36. 23 Feb: Hi 50.7° (1610) Lo 22.8° (0700) HDD 40 GUST S 15.0 MPH (1345). *** Snow depth from continual snowstorms over a span of 30 days was still at 12” in 1967. To make matters worse, this morning 58 years ago witnessed the mercury plummeting to -6° with an HDD of 61 at the end of Northeastern Illinois’ wretched snow-season. This record lasted but three years. NNNN |
| 2025-02-23 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 23 Feb: CLR 21.7° REL HMDTY 84% AIR QLTY 46 DP 17.6° WND S 6.0 MPH WND CHILL 13.7° BRM 30.08 STDY VIS 10 MI Sunrise 6:35 Sunset 5:35. 22 Feb: Hi 36.3° (1605) Lo 10.2° (0700) HDD 40 GUST SW 26.0 MPH (1347). *** In 1873 the third of four consecutive double-digit below-zero temperatures (-18°) was penciled into the climatological annals of this region. Phenomena such as these readings heralded Northeastern Illinois' cold cycle that would continue for 1 1/2 decades. NNNN |
| 2025-02-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 22 Feb: CLR 9.1° REL HMDTY 89% AIR QLTY 22 DP 6.6° WND S 6.6 MPH WND CHILL -1.1° BRM 30.29 STDY VIS 10 MI Sunrise 6:37 Sunset 5:33. 21 Feb: Hi 31.5° (1555) Lo 6.2° (0700) HDD 45 GUST W 16.0 MPH (1346). *** During the second full year of Northeastern Illinois weather data (1873), 51° was recorded on February 21st but a -14° occurred one day later. As Prairie State residents often say, if you don’t like the weather today, just wait 24 hours. NNNN |
| 2025-02-21 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 21 Feb: CLR 6.4° REL HMDTY 90% AIR QLTY 25 DP 4.4° WND SW 5.5 MPH WND CHILL -2.6° BRM 30.57 RSNG VIS 10 MI Sunrise 6:38 Sunset 5:32. 20 Feb: Hi 21.9° (1615) Lo 1.2° (0700) HDD 51 GUST W 20.0 MPH (1550). *** A record-high minimum of 49° highlighted a wonderful seven-day heat streak on this date in 2017. NNNN |
| 2025-02-20 | 6:00 AM | T | T | T | NA | NA | | 20 Feb: CLR 2.3° REL HMDTY 74% AIR QLTY 19 DP -4.2° WND W 9.9 MPH WND CHILL -12.5° BRM 30.35 STDY VIS 10 MI Sunrise 6:40 Sunset 5:31. 19 Feb: Hi 15.8° (1235) Lo -2.3° (0530) HDD 54 GUST NW 21.0 MPH (1346). *** A relatively warm downpour on this date in 2018 brought a record 2.1” rain. That day’s high was 66° after a low of but 34°. Retired WGN weather guy Tom Skilling was born in 1952. NNNN |
| 2025-02-19 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 19 Feb: OVRCST 5.2° REL HMDTY 61% AIR QLTY 16 DP -5.3° WND NW 8.8 MPH WND CHILL -7.6° BRM 30.50 STDY VIS 10 MI Sunrise 6:41 Sunset 5:30. 18 Feb: Hi 15.8° (1425) Lo -4.4° (0710) HDD 60 GUST NW 20.0 MPH (1745). *** On this date the final major snowfall of 2020/2021 brought the total on ground to 24” but no notable snow fell the rest of the month, March, and April. NNNN |
| 2025-02-18 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 18 Feb: CLR -3.5° REL HMDTY 64% AIR QLTY 17 DP -12.6° WND NW 8.5 MPH WND CHILL -18.5° BRM 30.47 RSG VIS 10 MI Sunrise 6:43 Sunset 5:28. 17 Feb: Hi 10.4° (1340) Lo -3.5° (0540) HDD 60 GUST W 26.0 MPH (1355). *** When local folks are starting to sniff spring, Mother Nature often throws a wicked curveball. On this date in 2006, Chicagoland endured a -7° low, 9° high, and braved sustained northwest winds of 10-17 mph. Sound familiar? NNNN |
| 2025-02-17 | 7:00 AM | T | T | T | NA | NA | | 17 Feb: CLR 1.9° REL HMDTY 77% AIR QLTY 17 DP -4.0° WND W 10.4 MPH WND CHILL -14.8° BRM 30.26 RSG VIS 10 MI Sunrise 6:44 Sunset 5:27. 16 Feb: Hi 26.6° (1200) Lo 1.8° (0645) HDD 47 GUST NW 31.0 MPH (1245). *** Just eight years ago (2017) the day’s maximum reading was 67° with full sun plus light, pleasant winds. This was the first of a record 7-day unseasonal heat wave. 2/18’s high was 70°, 2/19 featured 69°, 2/20 a 70°, 2/21 'only' 67°, and 2/22 68°. It was most definitely Virginia-like weather celebrating the anniversary of the birth of the Father of our Country! NNNN |
| 2025-02-16 | 7:00 AM | 0.04 | T | T | NA | NA | | 16 Feb: LT SNW 25.7° REL HMDTY 87% AIR QLTY 33 DP 22.7° WND NW 17.8 MPH WND CHILL 12.7° BRM 29.72 STDY VIS 7 MI Sunrise 6:45 Sunset 5:26. 15 Feb: Hi 36.9° (1115) Lo 25.7° (0620) HDD 35 GUST N 26.0 MPH (2235). *** Northeastern Illinois’ final string of brutal winters paused on this date in 1985 as 33 consecutive days below freezing (January 20th had witnessed -27°) came to an end. The Weather Channel's man-in-the-elements Jim Cantore born on this date in 1964. NNNN |
| 2025-02-15 | 6:00 AM | 0.08 | 1.5 | 0.08 | NA | NA | | 15 Feb: OVRCST 29.8° REL HMDTY 85% AIR QLTY 30 DP 25.9° WND E 3.0 MPH WND CHILL 29.8° BRM 29.90 FLG VIS 10 MI Sunrise 6:47 Sunset 5:25. 14 Feb: Hi 30.0° (0550) Lo 1.0° (0700) HDD 50 GUST SE 29.0 MPH (2350). *** Winter ebbed in 2023 with a record-low 6% of Lake Michigan covered by ice. NNNN |
| 2025-02-14 | 7:00 AM | 0.00 | 0.0 | NA | 2.5 | 0.16 | | 14 Feb: CLR -0.4° REL HMDTY 89% AIR QLTY 35 DP -3.1° WND S 3.0 MPH WND CHILL-0.4° BRM 30.62 RSG VIS 10 MI Sunrise 6:48 Sunset 5:23. 13 Feb: Hi 25.2° (0050) Lo -0.8° (0620) HDD 49 GUST W 24.0 MPH (1145). *** Our meteorological “St. Valentine’s Day Massacre” happened in 1990. Mother Nature showed no heart on the day of love as New Lenox recorded 7.8” wet snow composed of 0.78” dihydrogen monoxide. With the storm came zero visibility from northeast devils of 35-40 MPH, and a rare closure of O’Hare International. NNNN |
| 2025-02-13 | 7:00 AM | 0.16 | 2.5 | 0.16 | 2.5 | 0.16 | | 13 Feb: LT SNW 17.1° REL HMDTY 87% AIR QLTY 23 DP 14.0° WND NW 7.0 MPH WND CHILL 3.2° BRM 30.02 RSG VIS 10 MI Sunrise 6:49 Sunset 5:22. 12 Feb: Hi 27.5° (1025) Lo 17.1° (0620) HDD 41 GUST NE 22.0 MPH (1252). *** 150+ years of local weather data shows that 1905 was the 11th-coldest Northeastern Illinois meteorological winter. The year bottomed out on this date with a -18° low and -4° high as the 1880-1915 cool cycle continued. This was the coldest day so late in Chicagoland history. NNNN |
| 2025-02-12 | 7:00 AM | T | T | T | T | T | | 12 Feb: OVRCST 25.3° REL HMDTY 84% AIR QLTY 22 DP 21.2° WND NE 10.2 MPH WND CHILL 15.3° BRM 30.00 FLG VIS 10 MI Sunrise 6:51 Sunset 5:21. 11 Feb: Hi 26.8° (1255) Lo 24.3° (1725) HDD 40 GUST N 25.0 MPH (1725). *** The 1894 celebration of Abraham Lincoln’s birthday was cancelled in Chicago. Honest Abe might’ve wanted it so with winds that peaked with an 87 MPH gust and 7” of fresh snow. NNNN |
| 2025-02-11 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 11 Feb: OVRCST 26.2° REL HMDTY 69% AIR QLTY 51 DP 16.9° WND NE 15.0 MPH WND CHILL 14.4° BRM 30.27 STDY VIS 10 MI Sunrise 6:52 Sunset 5:20. 10 Feb: Hi 36.3° (1455) Lo 14.2° (0715) HDD 38 GUST N 22.0 MPH (0545). *** More than a quarter-century ago the area experienced the earliest 70° ever in Joliet. Do you suppose Jolietans of 1999 complained of so-called global warming? NNNN |
| 2025-02-10 | 7:00 AM | T | T | T | T | T | | 10 Feb: CLR 13.3° REL HMDTY 81% AIR QLTY 24 DP 8.2° WND CLM 0.0 MPH WND CHILL 13.3° BRM 30.46 STDY VIS 10 MI Sunrise 6:53 Sunset 5:18. 9 Feb: Hi 32.2° (1600) Lo 13.1° (0640) HDD 38 GUST SW 15.0 MPH (1553). *** The final of nine consecutive days with measurable snow hit the record books on this date in 2018. NNNN |
| 2025-02-09 | 7:00 AM | 0.01 | T | T | T | T | | 9 Feb: OVCRCST 25.7° REL HMDTY 74% AIR QLTY 28 DP 18.5° WND NW 10.1 MPH WND CHILL 16.7° BRM 30.26 RSG VIS 10 MI Sunrise 6:54 Sunset 5:17. 8 Feb: Hi 32.2° (1040) Lo 25.7° (0620) HDD 35 GUST E 18.0 MPH (1855). *** The horrendous winter of 1976-1977 inflicted a 1,053-hour streak of sub-freezing temperatures on Chicagoland residents. The killer cold finally ended at 1000 hours on this date when the mercury inched above 32°. My wife remembers that temperature almost feeling balmy. NNNN |
| 2025-02-08 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8 Feb: OVCRCST 29.1° REL HMDTY 63% AIR QLTY 31 DP 18.1° WND NE 10.2 MPH WND CHILL 20.1° BRM 30.00 FLG VIS 10 MI Sunrise 6:56 Sunset 5:15. 7 Feb: Hi 34.7° (1615) Lo 19.9° (0700) HDD 39 GUST NW 7.0 MPH (0155). *** The greatest 12-hour temperature drop in Northeastern Illinois history happened on this glorious date in 1900. Mercury collapsed from 62° with 70 mph winds and thunderstorms on an Arctic front to 10° late in the day. NBC Chicago weather guy Brant Miller was born on this day in 1950. NNNN |
| 2025-02-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 7 Feb: CLR 19.9° REL HMDTY 54% AIR QLTY 37 DP 6.8° WND NW 7.4 MPH WND CHILL 9.9° BRM 30.27 RSG VIS 10 MI Sunrise 6:57 Sunset 5:15. 6 Feb: Hi 32.3° (1455) Lo 19.9° (0700) HDD 35 GUST NW 35.0 MPH (2335). *** In 1979 more misery came on this date with an overnight minimum of -20°. From New Year’s Day thru 6 February the average hourly temperature was 3°. NNNN |
| 2025-02-06 | 7:00 AM | 0.03 | NA | NA | NA | NA | | 6 Feb: FG/MST 30.2° REL HMDTY 100% AIR QLTY 26 DP 29.8° WND W 7.4 MPH WND CHILL 23.2° BRM 29.83 STDY VIS 4 MI Sunrise 6:58 Sunset 5:13. 5 Feb: Hi 31.1° (1305) Lo 25.0° (0700) HDD 37 GUST E 20.2 MPH (1855). *** Back to 1967! 9” new snow fell on top of what was largely still on the ground from the great storms of 26/27 January. Thus, a total of 36” in 11 days! More important, on this date in 1911 40th prez Ronald Reagan was born above the town bakery in Tampico, Illinois. NNNN |
| 2025-02-05 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5 Feb: OVRCST 25.0° REL HMDTY 77% AIR QLTY 17 DP 18.7° WND E 13.1 MPH WND CHILL 13.1° BRM 30.33 STDY VIS 10 MI Sunrise 6:59 Sunset 5:12. 4 Feb: Hi 28.9° (1215) Lo 23.5° (1920) HDD 37 GUST N 25.0 MPH (1245). *** On this date in 1979 Northeastern Illinois’s second-coldest winter continued with -20°, 76 HDD, and snow depth of 29”. NNNN |
| 2025-02-04 | 7:00 AM | T | NA | NA | NA | NA | | 4 Feb: CLR 27.5° REL HMDTY 75% AIR QLTY 21 DP 20.7° WND NW 8.2 MPH WND CHILL 20.7° BRM 30.29 RSG VIS 10 MI Sunrise 7:00 Sunset 5:11. 3 Feb: LT R @ 1750 Hi 54.5° (1315) Lo 27.5° (0620) HDD 27 GUST N 32.0 MPH (1649). *** Warmest February came way back in 2024: 39.5° was the mean temperature over the span of 29 days. The month was also 10.7° warmer than average. NNNN |
| 2025-02-03 | 7:00 AM | T | NA | NA | NA | NA | | 3 Feb: FG/MST 38.1° REL HMDTY 99% AIR QLTY 54 (poor!) DP 37.6° WND SE 7.4 MPH WND CHILL 32.9° BRM 29.93 FLG VIS 4 MI Sunrise 7:01 Sunset 5:10. 2 Feb: LT R @ 0715 Hi 44.4° (1350) Lo 34.5° (0720) HDD 28 GUST S 13.0 MPH (2355). *** Snow depth was 24” in 2015 on this date following “Super Bowl Blizzard” on the 31st (12.3”) with 3” more snow falling a day later and 4” on the 2nd. NNNN |
| 2025-02-02 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 2 Feb: OVRCST 34.7° REL HMDTY 89% AIR QLTY 25 DP 31.6° WND S 9.4 MPH WND CHILL 27.7° BRM 29.93 STDY VIS 10 MI Sunrise 7:02 Sunset 5:08. 1 Feb: Hi 35.2° (1440) Lo 28.8° (0700) HDD 31 GUST SE 25.0 MPH (0215). *** In 2011 the Groundhog Day storm ended (1/31-2/2) with a total of 21.2” snow. It was the third-largest winter event ever to hammer Northeastern Illinois. Retired weatherman TOM SKILLING was born on this day in 1952. NNNN |
| 2025-02-01 | 6:00 AM | 0.50 | NA | NA | NA | NA | | 1 Feb: CLR 29.3° REL HMDTY 80% AIR QLTY 20 DP 24.1° WND NE 18.1 MPH WND CHILL 19.3° BRM 30.24 RSG VIS 10 MI Sunrise 7:03 Sunset 5:07. 31 Jan: Hi 39.6° (1350) Lo 29.3° (0550) HDD 28 GUST N 31.0 MPH (1755). *** The Groundhog Day storm entered the area during the early afternoon on this date in 2015. The 16” of wet snow in New Lenox helped the month to become the snowiest February in Northeastern Illinois history. 0.87” in liquid-equivalent precipitation also made for a standard record for ANY February day. OPPOSITES? 1) NO February snow in 1987, 1998, and 2017. 2) Record warmth was present this month of 2024 with a temperature average of 39.5° which broke the 142-year record. NNNN |
| 2025-01-31 | 7:00 AM | 0.20 | NA | NA | NA | NA | | Rain: January 0.70" (NORMAL 1.89") and winter '24-'25 2.78" (NORMAL 2.97"). Snow 6.8" (NORMAL 10.5") and winter '24-'25 12.5" (NORMAL 16.2"). 31 Jan: FG 38.3° REL HMDTY 99% AIR QLTY 42 DP 37.8° WND NE 8.1 MPH WND CHILL 32.3° BRM 29.62 FLG VIS 0.5 (!!!!) MI Sunrise 7:04 Sunset 5:06. 30 Jan: Hi 46.2° (1320) Lo 27.3° (0710) HDD 52 GUST S 29.0 MPH (1145). *** This has been a day of historical extremes. Must’ve seemed like spring when it was 65° in 1989 but -21° in 2019 (after -23° the day before) was very, very wintery. NNNN |
| 2025-01-30 | 5:00 AM | 0.00 | 0.0 | NA | NA | NA | | 30 Jan: CLR 25.0° REL HMDTY 87% AIR QLTY 51 (POOR!) DP 21.6° WND SE 6.1 MPH WND CHILL 18.3° BRM 29.99 STDY VIS 10 MI Sunrise 7:05 Sunset 5:05. 29 Jan: Hi 47.1° (1425) Lo 24.4° (0420) HDD 25 GUST W 28.0 MPH (1545). *** 1977’s final bit of miserable January weather happened on the 30th when 60 mph winds and -20° on the Joliet thermometers made for -62° of wind chill. Once again, US routes 30, 45, and 52 were closed through the Lincoln-Way area. NNNN |
| 2025-01-29 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 29 Jan: CLR 32.2° REL HMDTY 75% AIR QLTY 18 DP 25.0° WND W 8.1 MPH WND CHILL 27.4° BRM 29.76 RSG VIS 10 MI Sunrise 7:06 Sunset 5:03. 28 Jan: Hi 49.1° (1545) Lo 23.2° (0735) HDD 27 GUST SW 37.0 MPH (1645). *** Happy birthday to Cheryl Scott, this CoCoRaHS man’s favorite Chicago weather forecaster. She turns 40 this fine day. (On this date in 2008 a temperature drop of 50° happened over a span of just ten hours. 49° at 1551 hours was followed by -1° at 0151 on the 30th.) NNNN |
| 2025-01-28 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 28 Jan: CLR 24.3° REL HMDTY 78% AIR QLTY 36 DP 17.1° WND W 6.1 MPH WND CHILL 16.7° BRM 29.84 STDY VIS 10 MI Sunrise 7:07 Sunset 5:02. 27 Jan: Hi 43.2° (1630) Lo 12.7° (0720) HDD 34 GUST SW 36.0 MPH (1345). *** Here’s a post-mortem on January 1967 blizzard: 23+ inches of wet snow, peak gusts of 53 MPH, 4-6’ drifts, 20,000 cars/1,100 CTA buses stranded, $150,000,000 ($1.1 billion in 2025 money) in business losses, and both major Chicago airports shutdown for five days. On this date ten years later, a -17° low, winds of 40 MPH (wind chill -52), 9” blowing snow on the ground, and the vital I-80/US 30 interchange totally snowbound made New Lenox isolated from the world for 36 hours. NNNN |
| 2025-01-27 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 27 Jan: CLR 15.6° REL HMDTY 72% AIR QLTY 20 DP 8.4° WND SW 14.0 MPH WND CHILL 1.6° BRM 30.01 FLG VIS 10 MI Sunrise 7:08 Sunset 5:01. 26 Jan: Hi 30.7° (1620) Lo 12.7° (0515) HDD 40 GUST SW 21.0 MPH (0645). *** The epic blizzard of 1967 concluded at 1010 hours on this date. 6.6” of additional snow made the total 23” (2.4” H2O for the event.) That was and still is the #1 Northeastern Illinois snowstorm. A memory of this then-16-year-old was attending a tripleheader college basketball bonanza at the Chicago Stadium. Nine of us were packed into Mr. Parker’s station wagon and with the Dan Ryan Expressway but one lane in each direction, we did not arrive home until 3 a.m. What the heck, we were young, it was an adventure! NNNN |
| 2025-01-26 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 26 Jan: CLR 18.1° REL HMDTY 74% AIR QLTY 35 DP 11.3° WND W 7.1 MPH WND CHILL 9.3° BRM 30.30 RSG VIS 10 MI Sunrise 7:09 Sunset 5:00. 25 Jan: Hi 42.1° (1530) Lo 18.1° (0633) HDD 34 GUST W 33.0 MPH (2010). *** If mid-60s or older and grew up in the Chicago area, you remember this date in 1967. It was a Thursday and the beginning of great Northeastern Illinois blizzard. The initial flakes of snow were observed at 0502 hrs. In the next 19 hours, 16.4” (1.66 H2O) fell amidst howling winds. I went to work at 4 p.m. and did not clock out until 10 the next morning. Snow was again falling! NNNN |
| 2025-01-25 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 25 Jan: CLR 20.8° REL HMDTY 78% AIR QLTY 35 DP 14.9° WND SW 12.1 MPH WND CHILL 9.0° BRM 30.08 STDY VIS 10 MI Sunrise 7:09 Sunset 4:58. 24 Jan: Hi 22.6° (1535) Lo0.5° (0715) HDD 52 GUST S 24.2 MPH (0015). *** Let’s interrupt tales of the weather in the 1960s through the 1990s with a report of awful weather on this date in 1897. The second of back-to-back overnight record lows froze people of the pre-central heating and non-insulation era with a reading of -20°. NNNN |
| 2025-01-24 | 7:00 AM | T | T | T | NA | NA | | 24 Jan: CLR 1.4° REL HMDTY 91% AIR QLTY 51 <-Poor) DP -0.9° WND SE 1.1 MPH WND CHILL 1.4° BRM 30.24 STDY VIS 9 MI Sunrise 7:10 Sunset 4:57. 23 Jan: Hi 24.6° (0720) Lo -0.4° (0505) HDD 49 GUST NW 22.2 MPH (0955). *** The warmest of the three record-breaking days in 1967 was on this date. Noting the 65° afternoon, your CoCoRaHs reporter’s boss sent him outside to work. Clad in a tee shirt and shorts (!), yours truly spent his four hours cleaning windows at Silver Cross hospital in Joliet. Look out 48 hours later! NNNN |
| 2025-01-23 | 7:00 AM | 0.02 | 0.3 | NA | NA | NA | | 23 Jan: LT SNW 24.3° REL HMDTY 94% AIR QLTY 41 DP 22.6° WND W 7.0 MPH WND CHILL 16.3° BRM 30.03 RSG VIS 2 MI Sunrise 7:11 Sunset 4:56. 22 Jan: Hi 25.7° (1550) Lo 7.5° (0700) HDD 52 GUST S 31.1 MPH (1055). *** In 1967 the second of three consecutive gorgeous days set records with 55-60° highs in Joliet. This date was a Monday and after school your CoCoRaHS history guy shot baskets in the driveway while wearing only jeans and a sweatshirt. Look out 72 hours later! NNNN |
| 2025-01-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 22 Jan: OVRCST 6.4° REL HMDTY 67% AIR QLTY 16 DP -2.4° WND S 22.0 MPH WND CHILL -22.2° BRM 30.18 FLG VIS 10 MI Sunrise 7:12 Sunset 4:55. 21 Jan: Hi 6.4° (0616) Lo -8.7° (0725) HDD 67 GUST W 28.1 MPH (0435). *** A balmy 34° maximum with light southwest zephyrs on this date in 1994 brought an end to severe cold that had stretched for a week. Daily low temperatures were between -13° & -21°. NNNN |
| 2025-01-21 | 7:00 AM | 0.01 | 0.1 | 0.01 | NA | NA | | 21 Jan: CLR -8.1° REL HMDTY 68% AIR QLTY 15 DP -15.7° WND W 13.0 MPH WND CHILL -28.1° BRM 30.51 STDY VIS 10 MI Sunrise 7:13 Sunset 4:53. 20 Jan: Hi 11.5° (1415) Lo -8.1° (0630) HDD 60 GUST W 21.1 MPH (0545). *** Nearly one year before Chicagoland’s lowest temperature of -27° (1/20/1985), this date in 1984 featured a bone-chilling, ligament-cracking -26°. Unless one wants to do meteorological research in the era of glaciers, that mark was our second-coldest reading ever. NNNN |
| 2025-01-20 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 20 Jan: CLR -2.0° REL HMDTY 70% AIR QLTY 15 DP -9.8° WND SW 9.1 MPH WND CHILL -18.1° BRM 30.41 STDY VIS 10 MI Sunrise 7:13 Sunset 4:52. 19 Jan: Hi 6.8° (0710) Lo -2.0° (0605) HDD 57 GUST NW 29.1 MPH (1355). *** As promised yesterday, today’s post informs readers of the lowest temperature EVER recorded in the region. The morning low on this date in 1985 was -27° with a wind chill at -58°. NNNN |
| 2025-01-19 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 19 Jan: MSTLY CLDY 7.5° REL HMDTY 60% AIR QLTY 20 DP -3.5° WND NW 13.9 MPH WND CHILL -10.1° BRM 30.15 STDY VIS 10 MI Sunrise 7:14 Sunset 4:51. 18 Jan: Hi 31.6° (0715) Lo 7.5° (0615) HDD 38 GUST NW 28.1 MPH (0015). *** On Saturday 19 January 1985, the fourth-coldest day in area annals froze the Illinois prairie. The -23 temperature was terrible, but wait until tomorrow’s post by your CoCoRaHS weather history guy. NNNN |
| 2025-01-18 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 18 Jan: CLR 32.4° REL HMDTY 72% AIR QLTY 17 DP 24.3° WND NW 14.8 MPH WND CHILL 24.4° BRM 29.73 RSG VIS 10 MI Sunrise 7:14 Sunset 4:50. 17 Jan: Hi 42.1° (1435) Lo 23.5° (0700) HDD 28 GUST W 37.1 MPH (1455). *** New Lenox residents of 1996 must have gloried in the noon temperature of 58°. 88 MINUTES later, however, the mercury plummeted to 0° (1:28), was back to 54° at 2 p.m. As a coup de grace, temperatures dropped to 5° that night. 0.40” rain was also in the mix. The next day saw a high of 9° and a low of 3°. None of this is a typographical error! NNNN |
| 2025-01-17 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 17 Jan: CLR 24.3° REL HMDTY 93% AIR QLTY 47 DP 22.5° WND S 10 MPH WND CHILL 14.3° BRM 29.84 FLG VIS 10 MI Sunrise 7:15 Sunset 4:49. 16 Jan: Hi 37.0° (1400) Lo 15.4° (0820) HDD 37 GUST W 31.1 MPH (1145). *** Prohibition began on this date in 1920 with a 16° high, low of 2°, and 2” snow on the ground in Joliet. Yes, one could say that the Steel City was cold and snowy but “dry.” NNNN |
| 2025-01-16 | 7:00 AM | 0.01 | 0.1 | NA | NA | NA | | 16 Jan: CLR 21.4° REL HMDTY 84% AIR QLTY 47 DP 17.1° WND SW 9 MPH WND CHILL 10.2° BRM 29.81 STDY VIS 9 MI Sunrise 7:15 Sunset 4:47. 15 Jan: Hi 21.4° (0640) Lo -2.4° (0750) HDD 53 GUST SW 22.2 MPH (0335). *** On this dastardly date in 1982, -25 on the thermometer made for Northeastern Illinois’ third-coldest reading in 1 ½ centuries of local weather records. NNNN |
| 2025-01-15 | 7:00 AM | 0.01 | 0.5 | 0.01 | NA | NA | | 15 Jan: CLR -0.8° REL HMDTY 90% AIR QLTY 31 DP -2.7° WND SW 8 MPH WND CHILL-15.1° BRM 30.45 STDY VIS 10 MI Sunrise 7:16 Sunset 4:46. 14 Jan: Hi 16.5° (0905) Lo -1.5° (0540) HDD 53 GUST NW 11.4 MPH (1125). *** The coldest Martin Luther King day in the Lincoln-Way area was in 1994 as temperatures reached down to -19°. Caveat? MLK day has only been observed since 1986 when President Reagan’s proclamation took effect. NNNN |
| 2025-01-14 | 7:00 AM | 0.04 | 2.1 | 0.04 | NA | NA | | 14 Jan: SNW 14.4° REL HMDTY 93% AIR QLTY 21 DP 12.6° WND SW 9 MPH WND CHILL 3.4° BRM 30.11 STDY VIS 1.5 MI Sunrise 7:16 Sunset 4:45. 13 Jan: Hi 17.4° (1555) Lo 5.5° (2225) HDD 51 GUST W 25 MPH (1545). *** Check back to yesterday’s CoCoRaHS entry from 1979 and you’ll see the preamble to today’s tawdry tale. On this date -14° of unhappiness followed the previous day’s 1¼ feet of snow to create a record (which still stands) of 29” snow on the ground. And you don’t want to know about the drifts! NNNN |
| 2025-01-13 | 7:00 AM | 0.03 | 0.7 | NA | NA | NA | | 13 Jan: CLR 8.4° REL HMDTY 79% AIR QLTY 15 DP 2.7° WND W 12.1 MPH WND CHILL -5.4° BRM 30.07 RSG VIS 10 MI Sunrise 7:16 Sunset 4:44. 12 Jan: Hi 34.2° (1455) Lo 8.1° (0635) HDD 36 GUST W 32.0 MPH (1445). *** Another red-letter event occurred on this date in 1979 when 16.5” snow buried the area on a weekend. 60” snow thus far that winter shut down Lincoln-Way Central High School (and this old history teacher) until Monday 21 January. NNNN |
| 2025-01-12 | 7:00 AM | T | T | T | NA | NA | | 12 Jan: LT SNW 28.6° REL HMDTY 92% AIR QLTY 44 DP 26.2° WND S 13.1 MPH WND CHILL 17.6° BRM 29.73 FLG VIS 10 MI Sunrise 7:17 Sunset 4:43. 11 Jan: Hi 30.7° (1415) Lo 25.0° (0845) HDD 36 GUST S 18.0 MPH (0255). *** 1977 continued on its fearsome and frigid way to the record books on this date with a high temperature of 5° and low of -7°. Readings 27° below average made this the coldest month ever in this part of the Midwest. Typical weather at that ghastly time ‘featured’ below-zero days from the 4th to the 13th. NNNN |
| 2025-01-11 | 7:00 AM | 0.09 | 1.7 | 0.09 | NA | NA | | 11 Jan: OVRCST 25.9° REL HMDTY 92% AIR QLTY 28 DP 24.1° WND W 7.0 MPH WND CHILL 18.1° BRM 29.75 RSG VIS 10 MI Sunrise 7:17 Sunset 4:42. 10 Jan: Hi 28.4° (1435) Lo 23.5° (0750) HDD 39 GUST S 14.0 MPH (1145). *** More Arctic cold came on this date in 1982 as a -3° low and high of but 7° with west winds 15-20 made for -79° wind chill. On a sunnier note, legendary CBS Chicago weather guy P.J. Hoff was born on 11 January 1896 (died 1981). Remember his ”Vice-president of looking out the window?” NNNN |
| 2025-01-10 | 7:00 AM | 0.02 | 0.4 | 0.02 | NA | NA | | 10 Jan: SNW 23.0° REL HMDTY 94% AIR QLTY 62 DP 21.4° WND S 12.0 MPH WND CHILL 12.0° BRM 29.96 FLG VIS 3 MI Sunrise 7:17 Sunset 4:41. 9 Jan: Hi 26.1° (1505) Lo 16.3° (2345) HDD 43 GUST S 12.5 MPH (1405). *** The late 1970s and early 1980s continued to set records for bone-chilling cold on this date in 1982 when the morning low dropped to -26°. In over 150 years of Chicago observations, this was the second-coldest mark. Winds that day blasted along at 29 MPH at 5 p.m. to create -61° wind chill. At -17.1°, very fine – and rare - crystalline snow coated the tundra. NNNN |
| 2025-01-09 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 9 Jan: CLR 8.4° REL HMDTY 85% AIR QLTY 28 DP 4.8° WND S 5.0 MPH WND CHILL -0.6° BRM 30.22 STDY VIS 10 MI Sunrise 7:17 Sunset 4:40. 8 Jan: Hi 25.7° (1410) Lo 8.2° (0520) HDD 45 GUST W 16.0 MPH (1550). *** Many, MANY years ago on this date in 1875 a horrible -20° temperature led Northeastern Illinois into its coldest year. Average reading over 52 weeks was but 45.1°. No days were 90° or above and 11 of 12 months were below the norm. The truest indignity from 150 years ago was that only December saw the mercury above average. NNNN |
| 2025-01-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.5 | NA | | 8 Jan: CLR 12.4° REL HMDTY 88% AIR QLTY 20 DP 9.9° WND W 6.0 MPH WND CHILL 3.6° BRM 30.32 STDY VIS 10 MI Sunrise 7:18 Sunset 4:39. 7 Jan: Hi 22.7° (1335) Lo 10.9° (0525) HDD 44 GUST W 12.0 MPH (1245). *** Snow depth on this date in 1999 was 12” from a 21” storm January 1st to the 3rd. Northwest winds howled at a steady 15-20 MPH and created a wind chill of 1° and caused 3-4’ drifts. NNNN |
| 2025-01-07 | 7:00 AM | 0.03 | 0.3 | 0.03 | NA | NA | | 7 Jan: OVRCST 13.6° REL HMDTY 89% AIR QLTY 19 DP 11.3° WND NW 2.2 MPH WND CHILL 13.6° BRM 30.38 RSG VIS 10 MI Sunrise 7:18 Sunset 4:38. 6 Jan: Hi 28.9° (1500) Lo 13.5° (0625) HDD 39 GUST N 23.0 MPH (0745). *** On this date in the Janus of 1912 - second-coldest Northeastern Illinois month - thermometer at U.S. Court House (219 S Dearborn Street) in Chicago registered -16°. Average temperature that January was 11.9° and, at one point, 10 consecutive days passed when the mercury did not break >0°. NNNN |
| 2025-01-06 | 7:00 AM | 0.02 | T | T | T | T | | 6 Jan: LT SNW 23.0° REL HMDTY 96% AIR QLTY 13 DP 21.7° WND N 14.1 MPH WND CHILL 12.0° BRM 30.31 STDY VIS 3 MI Sunrise 7:18 Sunset 4:37. 5 Jan: Hi 26.4° (0255) Lo 16.3° (0745) HDD 46 GUST N 24.0 MPH (0415). *** On this date in 2014 a -16° reading made for the coldest day of the third-coldest (average temperature 18.8°) and third-snowiest (67.4”) winter in Northeastern Illinois annals. NNNN |
| 2025-01-05 | 6:00 AM | 0.00 | 0.0 | NA | 1.0 | 0.50 | | 5 Jan: OVRCST 16.5° REL HMDTY 59% AIR QLTY 13 DP 4.6° WND NW 7.1 MPH WND CHILL 6.5° BRM 30.23 STDY VIS 10 MI Sunrise 7:18 Sunset 4:36. 4 Jan: Hi 18.7° (1700) Lo 10.6° (0725) HDD 46 GUST W 17.8 MPH (1547). *** On this date in 1884, temperature was -18° as the six-story Beaurivage apartment building caught fire in Chicago. Hundreds were rousted from their beds at 4 a.m. and sent into the bitter weather. "Women screamed, the children cried, and the men yelled themselves hoarse, almost drowning the crackling of the flames gathering about them" but no one died. NNNN |
| 2025-01-04 | 5:00 AM | T | T | T | 0.4 | 0.20 | | 4 Jan: CLR 12.6° REL HMDTY 79% AIR QLTY 23 DP 7.2° WND NW 12.0 MPH WND CHILL -1.3° BRM 30.30 STDY VIS 10 MI Sunrise 7:18 Sunset 4:35. 3 Jan: Hi 22.6° (1500) Lo 12.6° (0430) HDD 43 GUST SW 14.8 MPH (1350). *** January of 1981 was cold but made the history books as this area’s least snowiest with just 0.01” of the white crystals. NNNN |
| 2025-01-03 | 7:00 AM | 0.03 | 0.6 | 0.03 | 0.6 | 0.03 | | 3 Jan 2025: LT SNW 21.0° REL HMDTY 83% AIR QLTY 30 DP 16.5° WND NW 12.2 MPH WND CHILL 11.3° BRM 30.18 STDY VIS 10 MI Sunrise 7:18 Sunset 4:34. 2 Jan 2025: Hi 32.2° (1335) Lo 19.4° (0300) HDD 37 GUST NW 14.8 MPH (0600). *** Northeastern Illinois’ snowiest January was a fall of 42.5” in 1918. Occurring in the heart of the second outbreak of the Spanish Flu outbreak in New Lenox, the awful weather was said by some to have saved local residents from serious or fatal illness as it forced people to stay inside and away from others who might otherwise have infected them with the contagion. NNNN |
| 2025-01-02 | 5:00 AM | T | T | NA | NA | NA | | 2 Jan 2025: OVRCST 23.7° REL HMDTY 82% AIR QLTY 16 DP 18.9° WND SW 8.1 MPH WND CHILL 14.7° BRM 30.20 STDY VIS 10 MI Sunrise 7:18 Sunset 4:33. 1 Jan 2025: Hi 30.9° (1025) Lo 23.5° (2230) HDD NA GUST W 30.9 MPH (1545). *** The intense cold of 1977 registered an incredible stat of 68 HDD on this date. It was the beginning of a historic cold snap that saw 17 days <0° and daily temperatures that averaged but 10.1°. NNNN |
| 2025-01-01 | 7:00 AM | 0.19 | NA | NA | NA | NA | | 1 Jan 2025: OVRCST 27.9° REL HMDTY 71% AIR QLTY 22 DP 22.6° WND W 13.9 MPH WND CHILL 17.9° BRM 30.04 RSG VIS 10 MI Sunrise 7:18 Sunset 4:32. 31 Dec 2024: Hi 39.6° (0705) Lo 27.9° (0700) HDD 31 GUST N 33.9 MPH (0745). *** This day in 1999 saw the beginning of the third-biggest Northeastern Illinois snowstorm. Total for three days was a whopping 21.6”. NNNN |