| 2026-05-19 | 7:00 AM | 0.78 | 0.0 | NA | 0.0 | NA | | R- was falling at the start of the observing period. 0.52" of rain fell between 0700 and 1130 MDT 18 May 2026. R- or R-- continuous thru the rest of the day, finally ending at 2000 MDT. Pcpn (+.23"). R- 0030-0100 MDT 19 May 2026 (+.01) and 0520-0545 MDT (+.02). 24-h total 0.78". |
| 2026-05-18 | 7:00 AM | 0.41 | 0.0 | NA | 0.0 | NA | | RW-- 1130-1230 MDT 17 May 2026L, then fairly steady R- and a few low rumbles of thunder 1245-1345 MDT. Precip .09". Brief RW- 2030-2040 MDT. Precip +.02", then more substantial RW began at 2125 MDT, ending at 2340 MDT. Precip +.12". Steady R- resumed shortly after 0000 MDT 18 May 2026, continuing thru the observing time at 0700 MDT. Precip +.18". 24-h total 0.41" |
| 2026-05-17 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | Brief RW-- 1300-1315 MDT 16 May 2026. Trace precip. |
| 2026-05-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-15 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-14 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-12 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-10 | 7:00 AM | 0.02 | 0.0 | NA | 0.0 | NA | | RW- 2220-2240 MDT 09 May 2026 |
| 2026-05-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | Snow melted quickly during the day, 07 May 2026, as the temperature climbed from a midnight minimum of 28 deg F
to an afternoon maximum of 70 deg F. All snow gone by 1500 MDT. |
| 2026-05-07 | 7:00 AM | 0.13 | 0.5 | NA | 3.0 | NA | | Snow (S-3/4) was falling at the start of the observing period. S-continued during morning with vsby 1-2 miles. Tiny unidentifiable crystals. Melting rate on sidewalks and streets exceeded fall rate overnite and this morning, so snow removal was unnecessary. Snow ended ~1100 MDT 06 May 2026 with precip .13” and acc +.5” since 0700 MDT. Only 3.0" snow remains at obs time this morning. |
| 2026-05-06 | 7:00 AM | 1.21 | 8.9 | NA | 8.9 | NA | | Light snow falling at start of observing period, 0720 MDT 05 May.
At 0700 MDT 06 May, 8.9" snow on the ground S- falling with visibility of 3/4 mile. 24-h precip 1.21". |
| 2026-05-05 | 7:20 AM | 0.43 | T | NA | T | NA | | RW- 1630-1700 MDT 04 May 2026. Precip .01". RW- 1900-1930 MDT. Precip +.01". RW 2010-2105 MDT. Precip +.16". Another +.01 fell from 2105 to 2200 MDT, when rain ended. R-- 0000 to 0300 MDT 05 May 2026. Precip .01". Then R- from 0300 to 0600 MDT. Precip +.17". R- changed to S- at 0615 MDT, with a trace accumulation on the ground at 0720 MDT, which was obs time. +.06" precip fell as snow. 24-h total 0.43" |
| 2026-05-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-05-01 | 7:00 AM | 0.01 | 0.0 | NA | 0.0 | NA | | Brief RW- 0740-0750 MDT 30 Apr 2026. Precip .01". Slight shower with tiny drops mid afternoon. Trace precip. |
| 2026-04-30 | 7:00 AM | 0.03 | 0.0 | NA | 0.0 | NA | | RW-- ~1330 MDT 29 Apr 2026 with big drops. Trace precip. Light showers ~1545 MDT, again, just a few drops. Trace precip. Occasional RW- 1700-1900 MDT. Precip .03".
|
| 2026-04-29 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A low rumble of thunder heard and lightning visible to the east at 2157 NDT 28 Apr 2026. RW-- ~2210 MDT. Trace precip. |
| 2026-04-28 | 7:00 AM | 0.10 | 0.0 | NA | 0.0 | NA | | R- 0715-0830 MDT 27 Apr 2026. Precip .07". RW- 1320-1340 MDT Precip +.01". R- 0600-0630 MDT 28 Apr 2026. Precip +.02". |
| 2026-04-27 | 7:00 AM | 0.14 | 0.0 | NA | 0.0 | NA | | Brief sprinkles here ~1130 MDT 26 Apr 2026. Trace precip. Dark by noon. TRW- crossed S Boulder 1340-1400 MDT, moving NE. A couple of cloud-ground flashes, one close. Precip 0.14". |
| 2026-04-26 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-25 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-21 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-19 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-18 | 7:00 AM | 0.20 | 1.7 | NA | 1.0 | NA | | S1/2 to S1/4 1130-1300 MDT 17 Apr 2026, then tapering off and ending by 1400 MDT. 1.7" accumulation with a water content of 0.20". |
| 2026-04-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-15 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-14 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-12 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-10 | 7:00 AM | 0.01 | 0.0 | NA | 0.0 | NA | | RW- 1710-1730 MDT 09 Apr 2026. Precip .01". |
| 2026-04-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-07 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-06 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-04-02 | 7:00 AM | 0.09 | 0.0 | NA | 0.0 | NA | | RW-1430-1615 MDT 01 Apr 2026 (precip .06") and again 1850-1910 MDT (precip +.03"). |
| 2026-04-01 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | Very light sprinkles between 1700 and 1800 MDT 31 Mar 2026, not enough to wet pavement. Trace precip. |
| 2026-03-31 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-30 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-29 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-28 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-27 | 7:00 AM | 0.01 | 0.0 | NA | 0.0 | NA | | R--/R- began ~1920 MDT 26 Mar 2026, ended 2015 MDT. Precip 0.01" |
| 2026-03-26 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-25 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-21 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-19 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-18 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-16 | 7:00 AM | 0.01 | 0.2 | NA | 0.2 | NA | | S- began 2030 MDT continued til 2330 MDT when it became
S--. 0.2” accumulation, 0.01 precip. S-- ended at 0130 MDT 16 Mar with no additional measurable precip. |
| 2026-03-15 | 7:00 AM | 0.13 | 1.1 | NA | 1.1 | NA | | Sharp frontal passage ~0145 MDT 15 Mar 2026. R- began almost immediately (precip .01"), quickly changed to S- by 0200 MDT, and ended by 0400 MDT (precip .12" as snow). |
| 2026-03-14 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-12 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-11 | 7:00 AM | 0.10 | 0.1 | NA | 0.1 | NA | | R-- began 2140 MDT on 10 Mar 2026. R- by 2230 MDT, changing to S- by 2315 MDT as temperature dipped to 34°. Precip changed back to R- or DRZL before ending ~0230 MDT on 11 Mar. Temperature did not go below 33° during snowfall. Precip .10, accumulation 0.1" of slushy snow.
|
| 2026-03-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-07 | 7:00 AM | 0.42 | 2.7 | NA | 2.0 | NA | | S- falling with visibility ~1 mile at start of observing period. Snow crystals were very heavily rimed, but not yet graupel. S-, occasionally S1/2 during the morning. At 0930 MST, estimated 2” accumulation. Snow did not stick to pavement. Measurable snow ended during the noon hour. After that S-- and several brief SW- during the afternoon, with temperature slowly inching upward to max of 35 deg at 1615 MST. At 1530 MST, 2.7” accumulation (max measured) with a water content of +.41 since 0650 MST. Wet snow throughout this event, with some bottom melting on lawn. Precip 1530-2000 MST only +.01" At the end of the obs period, 2.0" of very crusty snow remained. |
| 2026-03-06 | 6:50 AM | 0.16 | 0.2 | NA | 0.2 | NA | | R- began at 0240 MST 06 Mar 2026, with temperature at 39°, changed to S- ~0415 MST with temperature at 34°. At 0650 MST, S-1, 33°, accumulation 0.2” of very slushy snow, precip .16".
|
| 2026-03-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-04 | 7:00 AM | 0.04 | 0.0 | NA | 0.0 | NA | | RW- 1145 to 1210 MST 03 Mar 2026. Precip 0.03" with heavier showers apparent S. RW- 1700-1730 MST. Precip +.01". |
| 2026-03-03 | 7:00 AM | 0.01 | 0.0 | NA | 0.0 | NA | | Light drizzle at 0440 MST, followed by brief R-, ending by 0515 MST. Precip .01". |
| 2026-03-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-03-01 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-28 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-27 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-26 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | Brief RW-- between 1700 and 1800 MST. Trace precip. |
| 2026-02-25 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-21 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few flakes of snow in the air mid morning and during the afternoon of 20 Feb 2026, at most, enough to dampen the pavement slightly. Trace precip. No accumulation |
| 2026-02-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-19 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-18 | 7:00 AM | 0.03 | 0.0 | NA | 0.0 | NA | | Brief RW- 0800-0810 MDT 17 Feb 2026 followed by gusty west winds 20G30 mph and partial clearing. Precip 0.03". |
| 2026-02-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-15 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-14 | 7:00 AM | 0.07 | 0.0 | NA | 0.0 | NA | | R- began 1845 MDt 13 Feb 2026. R- or R-- til 2200 MDT, then DZ-, ending 2330 MDT. |
| 2026-02-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-12 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | Max temperature on 09 Feb 2026 was 71 deg F. This was the 6th day in a row with a max temperature above 60 deg F. In Feburary! |
| 2026-02-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-07 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-06 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-02-01 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-31 | 7:00 AM | T | 0.1 | NA | 0.1 | NA | | S- 0430-0515 MST 31 Jan 2026, dusted ground white. ~0.1" accumulation but precip only a trace. |
| 2026-01-30 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | At obs time, thin snow cover remained in shady spots. |
| 2026-01-29 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains only in shaded areas at obs time. |
| 2026-01-28 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains only in shaded areas at obs time. |
| 2026-01-27 | 7:00 AM | 0.00 | 0.0 | NA | 1.0 | NA | | At obs time, 1.0" of snow remains on the ground in open areas. |
| 2026-01-26 | 7:00 AM | 0.11 | 1.8 | NA | 2.0 | NA | | S- began at 1430 MST 25 Jan 2026. Snowfall picked up significantly with renewed push of low-level cold air arriving ~1500 MST. S½ by 1415 MST. Snow very briefly S+¼ (for a few min). By 1630 MST, S-1. Snow ended ~1700 MST. New snow 1.8” with a water content of +.11”. |
| 2026-01-25 | 7:00 AM | 0.02 | 0.4 | NA | 1.0 | NA | | S-- 0200-0300 MST, a lull, then S- 0430-0630 MST 25 Jan 2026, with visibility briefly as low as ¾ mile. At obs time, 0700 MST, 0.4" of new snow with a water content of 0.02". Total snow on the ground 1.0" |
| 2026-01-24 | 7:00 AM | 0.04 | 1.1 | NA | 1.1 | NA | | Very light snow (S--) in progress at start of observing period, continued off and on through the day with occasional S-. Visibility never < 3 mi. At 2210 MST S-3, snow accumulation 0.3”, precip .02”, gauge emptied. Visibility dipped below 3 mi from 2325 MST 23 Jan to 0200 MST 24 Jan in S-. After that, S--, occasionally S- until 0600 MST, when skies began to
clear. New snowfall +0.8", melted equivalent +.02". |
| 2026-01-23 | 7:00 AM | T | T | NA | T | NA | | S-- began 0530 MST. By 0700 MST, a dusting on the ground with a trace depth and trace precip. |
| 2026-01-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-21 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-20 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains only in shaded areas. |
| 2026-01-19 | 7:00 AM | 0.07 | 1.0 | NA | 1.0 | NA | | S- began ~2330 MST 18 Jan 2025 and continued til 0400 MST 19 Jan. Precip .07". Accumulation 1.0" |
| 2026-01-18 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-15 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-14 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-13 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | At obs time, snow remains only in well shaded areas. |
| 2026-01-12 | 7:00 AM | 0.00 | 0.0 | NA | 1.0 | NA | | At obs time, 1.0" of snow remained in open areas with 80% coverage. |
| 2026-01-11 | 7:00 AM | 0.00 | 0.0 | NA | 3.0 | NA | | At obs time, 3.0" of snow remains in open areas |
| 2026-01-10 | 7:00 AM | 0.00 | 0.0 | NA | 4.0 | NA | | 4.0" of snow remained on open ground at 0700 MST 10 Jan 2025. |
| 2026-01-09 | 8:05 AM | 0.42 | 5.5 | NA | 5.0 | NA | | R- began 0715 MST 08 Jan 2025. Trace precip before quickly changing to S-. Lawn white by 0830 MST. Intermittent S-/S-- during the morning, ending at 1115 MST. Snow accumulation 0.8" with a water content of 0.13". S- began ~0400 MST 09 Jan and fell moderately to heavily between 0530 and 0730 MST, possibly because of convection in cold air aloft. Measurable snow ended at obs time, 0805 MST 09 Jan. 4.7" of new snow with a water content of 0.29" fell atop 0.5" laid down earlier in the day. New snow had a water content of +.29". |
| 2026-01-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-07 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-06 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2026-01-01 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |