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 Thornton
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Fire Weather Watch FIRE WEATHER WATCH - Adams County  - Thornton

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METRIC | IMPERIAL
Updated: 14-Feb-2026 @ 4:50am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.8°F than last hour.

40.5°F

24-hr diff: 8.7°FWarmer 8.7°F than yesterday at this time.
Cold
High Today
41.7°F
4:27 AM 		Low Today
40.3°F
2:42 AM
Yest High
57.6°F
12:53 PM 		Yest Low
30.6°F
6:57 AM
Sta* High
67.6°F
2018 		Sta* Low
-9.2°F
2021
* This Station's Records Since 11/2006
Night time, Dry, Mostly cloudy Night time, Dry, Mostly cloudy

Calm Wind:  NW
0.0
Gusting to:
 0.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.2 of 100
Overnight

Overnight: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Lo 37°F Hi 59°F Lo 29°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1.4°F since last hour. 34.5°F
Last Hour: Decreased 1.4°F since last hour. -1.4°F
High 12:00 AM: 37.4°F
Low 4:49 AM: 34.5°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 38.1°F
Rain Today
rain graph
Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
Feb Rain: 0.00 in
Feb to Date
  Avg:10 		0.33 in
Feb to Date
  Diff from Avg:10 		Under 0.33 in for the month 0.33 in
Feb Avg: 0.59 in
Diff from Avg: Under 0.59 in for the month 0.59 in
Season:1 0.26 in
YTD
  Avg:11 		0.74 in
YTD
  Diff from Avg:11 		Under 0.48 in for the year 0.48 in
Last Rain
Time/Date: 		24-Jan-2026
at 11:36 AM
5 rain days in 2026
0 days in February
18 days since last rain
Current: NW  0.0 mph
1Hr Average: 3.7 mph
Wind Run: 15.37 miles
Wind Gust
Current: 0.0 mph
Today: 12.0 mph 12:21 AM
Month: 32.0 mph 9-Feb
Year: 38.0 mph 16-Jan
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
10 h 39 m 5 s
of Sunlight Yesterday
10 h 41 m 30 s
of Sunlight Today Which is
2 min 25 sec longer than
yesterday
10 h 43 m 57 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waning Crescent
Waning Crescent, 26 days, 16 hours, 2 minutes in cycle
9%
Illuminated
Humidity Barometer
Current: Decreased 2% since last hour. 79%
Last Hour: Decreased 2% since last hour. 2%
High 12:00 AM: 86%
Low 4:18 AM: 79%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Rising 0.009 inHg/hr 29.727 inHg
Last Hour: Steady
High 12:06 AM: 29.744
Low 3:41 AM: 29.713
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 4.4
Feb: 243.9
2026 to Date: 1137.3
Cooling Degree Days
2026 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Feb Snow: Under 10.315 in for the month 0.00 in
Feb Avg: 10.31 in
Diff from Avg: -10.31 in
Season Total:2 11.80 in
Snow Depth: 0.00 in
0 snow days in February
8 snow days this season.2
First Snow of Season:
28-Nov-2025
Average 1st Snow:
29 of Oct
Current: 40.5°F
Low 12:11 AM: 36.6°F
Yesterday: 27.2°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:
49

Good
Density:
1.26 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   1.9 @ 11:46 AM
Feb-14

2.8 		Feb-15

3.0 		Feb-16

3.0
High Yest:   647.0 @ 11:39 AM
Sun Hours Today:
00:00
   This Month: 28:09 Hrs
Rise: 6:53 am  Set: 5:33 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 38.2°F
Sunrise: 6:53 am
Sunset: 5:33 pm
Moonrise: 5:27 am
Moonset: 2:38 pm
Full Moon: 01-Feb-2026
New Moon: 12:02 UTC
17-Feb-2026
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.00 in
7-Days ET: 0.65 in
7-Day: 0.65 in water in deficit of what evaporated in last 7 days. 0.65 in
February: 0.97 in water in deficit of what evaporated this month. 0.97 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:4.8 | RCP:86%
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 14 of just the month of February for this station since 2006.   11 Historical average rain this season to day 14 of February for this station since 2006.
 NWS Weather Forecast  -   Outlook Overnight & Saturday
Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 37°F 		NWS forecast: Partly cloudy. Low around 37, with temperatures rising to around 40 overnight. West northwest wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
 Saturday

Saturday: Sunny
Sunny

Hi 59°F 		NWS forecast: Sunny. High near 59, with temperatures falling to around 56 in the afternoon. North northwest wind around 6 mph.
 NWS Short Term Weather Forecast
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Washington's
Birthday
Washington's Birthday: Partly Sunny
Partly Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Partly Sunny
Partly Sunny
Tuesday
Night
Tuesday Night: Slight Chance Light Snow
Slight Chance Light Snow
Lo 29°F Hi 67°F Lo 34°F Hi 67°F Lo 39°F Hi 56°F Lo 30°F
Click here for the complete forecast.
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