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Adams County
 Details for Adams County Winter Storm Warning  +2 additional alerts
 Thornton
 Details for Thornton Winter Storm Warning  +1 additional alert
Winter Storm Warning WINTER STORM WARNING - Adams County  - Thornton
Freeze Warning FREEZE WARNING - Adams County  - Thornton
Winter Weather Advisory WINTER WEATHER ADVISORY - Adams County

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METRIC | IMPERIAL
Updated: 06-May-2026 @ 4:30am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.1°F than last hour.

31.5°F

Wind Chill:  31.5°F
24-hr diff: -8.7°FColder 8.7°F than yesterday at this time.
Cold
High Today
32.3°F
12:07 AM 		Low Today
31.5°F
3:47 AM
Yest High
48.6°F
2:05 AM 		Yest Low
32.1°F
9:58 PM
Sta* High
87.8°F
2017 		Sta* Low
35.1°F
2007
* This Station's Records Since 11/2006
Station Record Low
Night time, Dry, Overcast Night time, Dry, Overcast

Calm Wind:  NNE
0.0
Gusting to:
 0.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.4 of 100
Overnight

Overnight: Snow
Snow
Wednesday

Wednesday: Snow
Snow
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Lo 31°F Hi 39°F Lo 27°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.1°F since last hour. 30.2°F
Last Hour: Decreased 0.1°F since last hour. -0.1°F
High 12:07 AM: 31.0°F
Low 3:47 AM: 30.2°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 31.0°F
Rain Today
rain graph
Melt Today: 0.06 in
Storm Rain: 0.83 in
Yesterday: 0.69 in
Last 7 Days: 0.77 in
May Rain: 0.83 in
May to Date
  Avg:10 		0.46 in
May to Date
  Diff from Avg:10 		Over 0.37 in for the month 0.37 in
May Avg: 2.98 in
Diff from Avg: Under 2.15 in for the month 2.15 in
Season:1 2.18 in
YTD
  Avg:11 		4.12 in
YTD
  Diff from Avg:11 		Under 1.94 in for the year 1.94 in
Last Rain
Time/Date: 		6-May-2026
at 2:50 AM
18 rain days in 2026
3 days in May
0 days since last rain
Current: NNE  0.0 mph
1Hr Average: Calm
Wind Run: 0.00 miles
Wind Gust
Current: 0.0 mph
Today: 0.0 mph 4:40 AM
Month: 30.0 mph 4-May
Year: 43.0 mph 25-Feb
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
14 h 3 m 44 s
of Sunlight Yesterday
14 h 5 m 52 s
of Sunlight Today Which is
2 min 8 sec longer than
yesterday
14 h 7 m 59 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waning Gibbous
Waning Gibbous, 18 days, 22 hours, 42 minutes in cycle
81%
Illuminated
Humidity Barometer
Current: No Change 95%
Last Hour: No Change 0%
High 12:00 AM: 95%
Low 12:00 AM: 95%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Rising 0.004 inHg/hr 29.938 inHg
Last Hour: Steady
High 3:50 AM: 29.946
Low 12:03 AM: 29.891
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 5.4
May: 70.9
2026 to Date: 2254.3
Cooling Degree Days
2026 to Date: 32.1
Today: 0.00 in
Yesterday: 1.30 in
May Snow: Under 0.235 in for the month 1.30 in
May Avg: 1.54 in
Diff from Avg: -0.24 in
Season Total:2 23.70 in
Snow Depth: 0.00 in
1 snow day in May
12 snow days this season.2
First Snow of Season:
28-Nov-2025
Average 1st Snow:
29 of Oct
Current: 31.5°F
Low 3:47 AM: 31.5°F
Yesterday: 25.4°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:
42

Good
Density:
1.29 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   2.2 @ 12:49 PM
May-06

6.1 		May-07

7.1 		May-08

7.5
High Yest:   288.0 @ 12:49 PM
Sun Hours Today:
00:00
   This Month: 19:56 Hrs
Rise: 5:53 am  Set: 7:58 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 46.8°F
Sunrise: 5:53 am
Sunset: 7:58 pm
Moonrise: 12:14 am
Moonset: 9:03 am
Full Moon: 01-May-2026
New Moon: 20:02 UTC
16-May-2026
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.77 in
7-Days ET: 0.86 in
7-Day: 0.088 in water in deficit of what evaporated in last 7 days. 0.088 in
May: 0.04 in water in excess of what evaporated this month. 0.04 in
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HIGHS: LOWS:
102.9°F
25-Jun-2012 		-14.6°F
2-Feb-2011
Daytime Records
  100.6°F°F
12-Jul-2024 		  -8.1°F°F
22-Dec-2022
Nitetime Records
  88.0°F°F
15-Aug-2012 		  -10.7°F°F
02-Feb-2011
ICN:1 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 5AM and 5PM.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index is provided by Colorado Department of Public Health & Environment.   10 Historical average only to day 6 of just the month of May for this station since 2006.   11 Historical average rain this season to day 6 of May for this station since 2006.
 NWS Weather Forecast  -   Outlook Overnight & Wednesday
Overnight

Overnight: Snow
Snow

Lo 31°F 		NWS forecast: Snow. Cloudy, with a low around 31. North wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
 Wednesday

Wednesday: Snow
Snow

Hi 39°F 		NWS forecast: Snow before 5pm. Mostly cloudy, with a high near 39. North northwest wind 3 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
 NWS Short Term Weather Forecast
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Lo 27°F Hi 65°F Lo 41°F Hi 70°F Lo 46°F Hi 76°F Lo 44°F
Click here for the complete forecast.
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