Freeze Warning FREEZE WARNING - Adams County  - Thornton

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METRIC | IMPERIAL
Updated: 17-Apr-2026 @ 4:45am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.9°F than last hour.

35.2°F

Wind Chill:  30.9°F
Feels like:  31°F
24-hr diff: -8.9°FColder 8.9°F than yesterday at this time.
Cold
High Today
59.8°F
12:04 AM
Low Today
35.2°F
4:43 AM
Yest High
77.4°F
3:04 PM
Yest Low
42.6°F
4:29 AM
Sta* High
79.5°F
2017
Sta* Low
10.9°F
2020
* This Station's Records Since 11/2006
Night time, Dry, A few clouds Night time, Dry, A few clouds

Wind from SE Wind:  SE
4.9

Gusting to:
4.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
2.7 of 100
Overnight

Overnight: Mostly Cloudy
Mostly Cloudy
Friday

Friday: Rain And Snow Showers
Rain And Snow Showers
Friday
Night
Friday Night: Chance Snow Showers then Partly Cloudy
Chance Snow Showers then Partly Cloudy
Lo 35°F Hi 41°F Lo 26°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.6°F since last hour. 25.7°F
Last Hour: Decreased 0.6°F since last hour. -0.6°F
High 12:58 AM: 30.1°F
Low 12:41 AM: 5.0°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 31.8°F
Rain Today
rain graph

Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.01 in
Apr Rain: 0.08 in
Apr to Date
  Avg:10
0.82 in
Apr to Date
  Diff from Avg:10
Under 0.74 in for the month 0.74 in
Apr Avg: 1.52 in
Diff from Avg: Under 1.44 in for the month 1.44 in
Season:1 0.99 in
YTD
  Avg:11
3.01 in
YTD
  Diff from Avg:11
Under 2.02 in for the year 2.02 in
Last Rain
Time/Date:
11-Apr-2026
at 6:24 PM
12 rain days in 2026
3 days in April
6 days since last rain
Current: SE  4.9 mph
1Hr Average: 3.7 mph
Wind Run: 32.70 miles
Wind Gust
Current: 4.0 mph
Today: 28.0 mph 12:43 AM
Month: 36.0 mph 3-Apr
Year: 43.0 mph 25-Feb
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
13 h 19 m 19 s
of Sunlight Yesterday
13 h 21 m 47 s
of Sunlight Today
Which is
2 min 28 sec longer than
yesterday
13 h 24 m 15 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

New Moon
New Moon, 29 days, 9 hours, 23 minutes in cycle
0%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 68%
Last Hour: Increased 1% since last hour. 1%
High 4:13 AM: 68%
Low 12:00 AM: 14%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Rising 0.033  inHg/hr 29.479 inHg
Last Hour: Rising
High 4:31 AM: 29.483
Low 12:09 AM: 29.234
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 3.2
Apr: 169.6
2026 to Date: 1982.7
Cooling Degree Days
2026 to Date: 24.2
Today: 0.00 in
Yesterday: 0.00 in
Apr Snow: Under 5.591 in for the month 0.00 in
Apr Avg: 5.59 in
Diff from Avg: -5.59 in
Season Total:2 18.60 in
Snow Depth: 0.00 in
0 snow days in April
10 snow days this season.2
First Snow of Season:
28-Nov-2025
Average 1st Snow:
29 of Oct
Current: 30.9°F
Low 3:22 AM: 30.1°F
Yesterday: 40.4°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:

74


Moderate
Density:
1.26 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   6.8 @ 12:59 PM
Apr-17

6.4
Apr-18

6.5
Apr-19

7.8
High Yest:   895.0 @ 1:24 PM
Sun Hours Today:
00:00
   This Month: 72:29 Hrs
Rise: 6:18 am  Set: 7:39 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 46.0°F
Sunrise: 6:18 am
Sunset: 7:39 pm
Moonrise: 6:04 am
Moonset: 7:03 pm
Full Moon: 01-Apr-2026
New Moon: 11:52 UTC
17-Apr-2026
Updated at Midnight
Current ET: 0.08 in
7-Days Rain: 0.01 in
7-Days ET: 1.18 in
7-Day:  1.167 in water in deficit of what evaporated in last 7 days. 1.167 in
April:  2.39 in water in deficit of what evaporated this month. 2.39 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 17 of just the month of April for this station since 2007.   11 Historical average rain this season to day 17 of April for this station since 2007.
 NWS Weather Forecast  -   Outlook Overnight & Friday
Overnight

Overnight: Mostly Cloudy
Mostly Cloudy

Lo 35°F
NWS forecast: Mostly cloudy. Low around 35, with temperatures rising to around 41 overnight. Northeast wind around 8 mph, with gusts as high as 18 mph.
Friday

Friday: Rain And Snow Showers
Rain And Snow Showers

Hi 41°F
NWS forecast: Rain and snow showers after 8am. Mostly cloudy. High near 41, with temperatures falling to around 39 in the afternoon. North northeast wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than half an inch possible.
 NWS Short Term Weather Forecast
Friday
Night
Friday Night: Chance Snow Showers then Partly Cloudy
Chance Snow Showers then Partly Cloudy
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday

Monday: Mostly Sunny
Mostly Sunny
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Lo 26°F Hi 58°F Lo 31°F Hi 74°F Lo 41°F Hi 79°F Lo 46°F
Click here for the complete forecast.
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