| 2026-01-08 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8 Jan: CLR 39.4° REL HMDTY 88% AQ 51 (mod) DP 35.8° WND S 7.1 MPH WND CHL 34.2° BRM 29.88 STDY VIS 10 MI Sunrise 7:18 Sunset 4:39. 7 Jan: Hi 45.7° (1540) Lo 33.4° (1000) HDD 27 GUST S 7 MPH (1435). *** Snow depth OTD 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 -5° with 3-4’ drifts. NNNN |
| 2026-01-07 | 7:00 AM | 0.01 | NA | NA | NA | NA | | 7 Jan: FG/MST 34.9° REL HMDTY 99% AQ 42 (good) DP 34.5° WND W 5.2 MPH WND CHL 30.9° BRM 29.87 RSG VIS 1.25 MI Sunrise 7:18 Sunset 4:38. 6 Jan: Hi 46.8° (1250) Lo 34.9° (0624) HDD 25 GUST W 18 MPH (1235). *** OTD in the Janus of 1912 - second-coldest northeastern Illinois month ever – the thermometer at the 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 above 0°. NNNN |
| 2026-01-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 6 Jan: OVRCST 39.6° REL HMDTY 95% AQ 71 (moderate) DP 25.5 38.1° WND SE 1.1 MPH WND CHL 39.6° BRM 29.55 FLG VIS 10 MI Sunrise 7:18 Sunset 4:37. 5 Jan: Hi 46.8° (1415) Lo 28.4° (0750) HDD 26 GUST W 9 MPH (1115). *** -16° reading OTD in 2014 was the coldest day of the third-coldest (average temperature 18.8°) and third-snowiest (67.4”) winter in northeastern Illinois annals. NNNN |
| 2026-01-05 | 6:00 AM | 0.00 | 0.0 | NA | NA | NA | | 5 Jan: CLR 30.4° REL HMDTY 82% AQ 44 (good) DP 25.5° WND SE 6.2 MPH WND CHL 26.4° BRM 29.81 FLG VIS 10 MI Sunrise 7:18 Sunset 4:36. 4 Jan: Hi 33.3° (2320) Lo 25.3° (0740) HDD 37 GUST SE 6.2 MPH (0557). *** Temperature was -18° OTD in 1884 during the Midwest cold cycle as the six-story Beaurivage apartment building (Michigan Avenue at Van Buren) caught fire in Chicago. The blaze sent hundreds into the bitter weather at 4 a.m. “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 |
| 2026-01-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 4 Jan: OVRCST 25.3° REL HMDTY 67% AQ 51 (moderate) DP 15.8° WND NW 2.2 MPH WND CHL 25.3° BRM 30.18 RSG VIS 10 MI Sunrise 7:18 Sunset 4:35. 3 Jan: Hi 28.6° (1345) Lo 21.6° (0710) HDD 42 GUST SW 5.8 MPH (1125). *** January of 1981 was cold. It made the history books, however, as this area’s least snowiest Janus with just 0.01” of white crystals. NNNN |
| 2026-01-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 3 Jan: OVRCST 21.6° REL HMDTY 63% AQ 51 (moderate) DP 11.8° WND NW 1.1 MPH WND CHL 21.6° BRM 30.03 STDY VIS 10 MI Sunrise 7:18 Sunset 4:34. 2 Jan: Hi 21.6° (0657) Lo 18.5° (0710) HDD 44 GUST NW 11.4 MPH (1025). *** Northeastern Illinois’ snowiest January registered a fall of 42.5” in 1918. This occurred in the heart of the second outbreak of the Spanish Flu in New Lenox. Some say that the awful weather may have saved local residents from serious or fatal illness as it forced people to stay inside and away from others who might have infected them with the contagion. NNNN |
| 2026-01-02 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | 2 Jan: OVRCST 21.6° REL HMDTY 76% AQ 35 (good) DP 15.1° WND NW 6.8 MPH WND CHL 14.4° BRM 29.90 RSG VIS 10 MI Sunrise 7:18 Sunset 4:33. 1 Jan: Hi 22.5° (0520) Lo 11.1° (0700) HDD 49 GUST NW 6.9 MPH (0637). *** Intense cold of January 1977 registered an incredible HDD stat of 68 OTD. It was the beginning of an historic frigid snap that saw 17 days below zero and daily temperatures that averaged but 10.1°. NNNN |
| 2026-01-01 | 6:00 AM | 0.12 | T | T | NA | NA | | 1 Jan 2026: CLR 11.5° REL HMDTY 81% AQ 21 (excellent) DP 6.6° WND NW 6.5 MPH WND CHL 1.3° BRM 30.02 STDY VIS 10 MI Sunrise 7:18 Sunset 4:32. 31 Dec 2025: Hi 35.1° (1435) Lo 11.3° (0547) HDD 39 GUST W 21 MPH (1315). *** Late on this day in 1999 was the beginning of the third-biggest northeastern Illinois snowstorm. Three-day total would weigh in at 21.6”. NNNN |