9/17/2025 | CO-CC-32 | Dumont 2.0 WNW |
0.24
| Frost on gauge. Precipitation fell before 10 p.m. previous day. |
View
|
9/17/2025 | CO-DN-329 | Denver 5.1 SSE |
0.14
| Light rain from 2115Z to 2150Z (3:15p-3:50p). Then a thunderstorm with heavy rain at 0245Z (8:45p) and another round of heavy rain followed it around 0330Z (9:30p). |
View
|
9/17/2025 | CO-DG-218 | The Pinery 1.2 ESE |
0.09
| Loud thunderstorm brought a downpour at bedtime! |
View
|
9/17/2025 | CO-JF-331 | Golden 12.5 NW |
0.13
| First Frost. Low was 38F. 41F, clear, calm. |
View
|
9/17/2025 | CO-JF-504 | Arvada 3.6 WSW |
0.13
| showers: 0.01 afternoon, 0.12 overnight |
View
|
9/17/2025 | CO-LR-40 | Loveland 1.5 N |
0.18
| Very warm day yesterday with clear skies early, then storms formed mid afternoon and dropped some light rain. Mostly cloudy evening. Storms passed by overnight dropping more rain. Clear and chilly this morning. High yesterday 85°, low 43°. Currently clear and 44°, with a dew point of 44°. |
View
|
9/17/2025 | CO-PU-161 | Pueblo 1.9 N |
0.13
| Nice shower just at midnight. Some thunder and lightning. |
View
|
9/17/2025 | CO-YU-68 | Wray 4.2 NNE |
0.27
| Lots of high level T clouds. Late evening shower |
View
|
9/17/2025 | CO-LR-687 | Loveland 2.7 E |
0.18
| yaesterday's high 82F (28C) after clouds burned off before noon, 7:55 brief shower wetting street, 14:00 black clouds: 14:15 to 16:00 sevral brief showers, 16:20 one thunder clap and more showers =0.01" in gauge. 18:00 dark-windy-another good shower. overnight low 51 F (11C), alm, clear sky, RH 81%: grass, gauge, and west windows covered with heavy dew! |
View
|
9/17/2025 | CO-JF-72 | Broomfield 2.3 SSW |
0.25
| Exactly 0.25” of rain 2115-2230. Lightning started ~2100 but not heard. Then heard three thunder claps at 2129, 2148, and 2152. |
View
|
9/17/2025 | CO-SG-4 | Julesburg 0.1 WNW |
0.68
| Thunderstorms and light rain showers through much of the night. Some hail fell early of about marble size. |
View
|
9/17/2025 | CO-LP-113 | Bayfield 5.2 N |
0.00
| High yesterday 78 under clear skies early and cumulus cumulus in the afternoon. Low this a.m. 43 under clear skies. |
View
|
9/17/2025 | CO-PH-30 | Haxtun 11.6 SSE |
0.29
| continuing light rain |
View
|
9/17/2025 | CO-MT-64 | Montrose 4.5 SSE |
0.00
| Some morning thunder, but no rain. Cleared off for a nice day, |
View
|
9/17/2025 | CO-OR-2 | Ouray .23 NNW |
0.06
| P. Cloudy fg |
View
|
9/17/2025 | CO-AD-100 | Thornton 2.1 N |
0.37
| Thi 77 @ 13:25
….. @ Obs: 47.
// Tues: @ 15:20, sprinkles, trace / short event 20:20, - trace / larger event 21:40 to 22:10, heaviest 21:45-21:55.
|
View
|
9/17/2025 | CO-AD-127 | Aurora 4.2 NNW |
0.16
| Thunder and s few sprinkles at 3:00pm. More thunder and a brief downpour at about 8:00pm. |
View
|
9/17/2025 | CO-AD-207 | Thornton 3.9 NNE |
0.44
| Heavy thunderstorm around 10pm. |
View
|
9/17/2025 | CO-AR-290 | Littleton 1.5 NE |
0.10
| Light rain at 3:18 pm (.01 inches.) Heavy rain at 8:40 pm for about 12 minutes, (.07 inches). Additional rain, .02 inches sometime over the night. |
View
|
9/17/2025 | CO-AR-319 | Aurora 10.0 SSE |
0.15
| Rain fell around 9:30 p.m. |
View
|
9/17/2025 | CO-AU-77 | Pagosa Springs 6.8 WNW |
0.00
| 43° |
View
|
9/17/2025 | CO-BA-23 | Springfield 0.5 NW |
1.82
| Best general soaking rain we have had her in a long time. |
View
|
9/17/2025 | CO-BO-8 | Lafayette 0.4 WSW |
0.24
| Bkn clds cleared 1000. Convective ovc 1345. TRW- 1520--1610 .02". Sunny 17L-18L, RW-- 2000-2020 .01". R- 2115-2225 with ltg 2130 & 2150 .21". Cleared ca 0145. 53F/76F/50F |
View
|
9/17/2025 | CO-BO-57 | Nederland 5.8 E |
0.17
| 39º; calm; clear; dew, with frost forming on exposed surfaces due to evaporative cooling. |
View
|
9/17/2025 | CO-BO-67 | Boulder 4.7 E |
0.25
| The first storm just before 1600 dropped 0.03", but most of the rain came in a thunderstorm from 2100-2130 with some lingering rain past midnight. Skies cleared late with a low of 42.7 at 0700. |
View
|
9/17/2025 | CO-BO-110 | Nederland 4.3 ENE |
0.19
| Overnight low of 39 F. The Divide is white this morning above 11000 ft. |
View
|
9/17/2025 | CO-BO-143 | Longmont 2.1 N |
0.23
| Rain showers late afternoon, then heavier T-storm after dark. Currently clear skies; temp 41° |
View
|
9/17/2025 | CO-BO-146 | Lyons 0.3 NNE |
0.25
| A steady rain from 8:50pm to 9:20pm. |
View
|
9/17/2025 | CO-BO-202 | Ward 4.6 NE |
0.15
| Added 0.01" after midnight that I had not checked in the morning. |
View
|
9/17/2025 | CO-BO-220 | Boulder 4.7 ENE |
0.35
| Light sprinkles early afternoon; next rain 3:25 PM until about 4:15 PM produced .09"; most of rain from 9 PM, starting to rain hard (>1 inch/hr) 9:05, produced .20" in 15 minutes with rain continuing for some time after. |
View
|
9/17/2025 | CO-BO-290 | Lafayette 2.3 NW |
0.26
| Temperature range: 46-75 Rain from 3:30 to 3:45. Raindrops fell again at 5:15 and then a Thunderstorm at 9:000 pm lasting into the night.
|
View
|
9/17/2025 | CO-BO-380 | Boulder 2.0 W |
0.14
| At least two rain events — one in the afternoon and at least one at about 9pm. |
View
|
9/17/2025 | CO-BO-435 | Longmont 3.0 SW |
0.20
| Pretty Tuesday - sun and warm. Around 330 rained for about45 minutes. 530 pm winds kicked up. Then heavy rain at 910 for about 35 minutes. Temps dropped to 44 overnight. Today 70s and chance of rain. |
View
|
9/17/2025 | CO-BO-437 | Boulder 2.1 W |
0.14
| Light rain started at 3pm and continued off and on until about 10pm. Currently clear skies and it’s 51°F. |
View
|
9/17/2025 | CO-BO-583 | Boulder 2.9 S |
0.29
| Max rainfall rate = 2.47 in/hr |
View
|
9/17/2025 | CO-BO-593 | Longmont 2.3 ENE |
0.21
| Light rain in mid-afternoon followed by a moderate rain with lightning display in the later evening. |
View
|
9/17/2025 | CO-BO-596 | Boulder 1.9 SE |
0.24
| 42F. Clear, calm. Birds singing. Dew on outer tube. Several bands of rain last night. |
View
|
9/17/2025 | CO-BO-607 | Longmont 2.2 NE |
0.22
| Crystal clear sky at observation time. |
View
|
9/17/2025 | CO-BO-615 | Longmont 2.9 SSW |
0.21
| Chilly morning! |
View
|
9/17/2025 | CO-CF-65 | Buena Vista 2.0 ESE |
0.21
| Clear skies, calm winds and 36 degrees F at report time. |
View
|
9/17/2025 | CO-CS-32 | Fort Garland 12.9 ENE |
0.03
| Trace mid-afternoon with Thunder and lighting. .03 overnigt |
View
|
9/17/2025 | CO-CR-8 | Crowley 0.2 E |
0.01
| Sometime while I was sleeping we got a little rain. Most of the evening I could see lightning all around us, but no moisture until I was asleep.
|
View
|
9/17/2025 | CO-CR-18 | Ordway 3.5 W |
0.03
| Rain during the night, 10:30 p.m. periodically to around 1:00 a.m. Clear and calm with 80% humidity this morning. |
View
|
9/17/2025 | CO-DL-76 | Paonia 1.5 N |
0.01
| brief showers yesterday afternoon |
View
|
9/17/2025 | CO-DG-176 | Highlands Ranch 0.6 SSE |
0.22
| Thunder lightning and rain after dark. Clear and calm now. |
View
|
9/17/2025 | CO-DG-250 | Highlands Ranch 3.0 WSW |
0.24
| Evening thorms, heavy downpour, frequent lightning. Currently, sunny, cool 49 degF, with dense fog in nearby Platte River valley. |
View
|
9/17/2025 | CO-DG-292 | Parker 3.5 WNW |
0.10
| lots of lightning and thunder after dark |
View
|
9/17/2025 | CO-DG-347 | Castle Rock 0.8 N |
0.28
| Thunderstorms around 9pm with moderate to briefly heavy rain. Was quite foggy early but fog breaking up at obs. |
View
|
9/17/2025 | CO-DG-361 | Highlands Ranch 3.2 SW |
0.16
| Steady rain began around 8:00pm yesterday and continued on and off through the night. This morning is cold (44 degrees), sunny, and calm. |
View
|
9/17/2025 | CO-DG-376 | Lone Tree 1.8 NNW |
0.14
| Bright blue skies without overcast this morning. Haze to north. Temp 44. Dew Point 43. Precip fell after dark. Wind shift from North to East with precip. |
View
|