Heat Advisory HEAT ADVISORY - Adams County  - Thornton
Air Quality Alert AIR QUALITY ALERT - Adams County

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METRIC | IMPERIAL
Updated: 06-Aug-2026 @ 9:40pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 3.7°F than last hour.

74.0°F

Feels like:  76°F
24-hr diff: 4.9°FWarmer 4.9°F than yesterday at this time.
Comfortable
High Today
97.3°F
2:42 PM
Low Today
57.1°F
5:48 AM
Yest High
83.8°F
5:31 PM
Yest Low
50.0°F
6:09 AM
Sta* High
97.8°F
2025
Sta* Low
53.3°F
2017
* This Station's Records Since 11/2006
Night time, Dry, A few clouds Night time, Dry, A few clouds

Wind from SSE Wind:  SSE
2.0

Gusting to:
2.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: MODERATE Current CBI
Fire Danger:
71.9 of 100
Tonight

Tonight: Areas Of Smoke
Areas Of Smoke
Friday

Friday: Areas Of Smoke
Areas Of Smoke
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Lo 64°F Hi 98°F Lo 66°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1.3°F since last hour. 36.9°F
Last Hour: Decreased 1.3°F since last hour. -1.3°F
High 11:09 AM: 56.7°F
Low 1:14 PM: 25.7°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 56.1°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.09 in
Aug Rain: 0.00 in
Aug to Date
  Avg:10
0.39 in
Aug to Date
  Diff from Avg:10
Under 0.39 in for the month 0.39 in
Aug Avg: 1.06 in
Diff from Avg: Under 1.06 in for the month 1.06 in
Season:1 5.49 in
YTD
  Avg:11
10.22 in
YTD
  Diff from Avg:11
Under 4.73 in for the year 4.73 in
Last Rain
Time/Date:
30-Jul-2026
at 4:15 PM
41 rain days in 2026
0 days in August
6 days since last rain
Current: SSE  2.0 mph
1Hr Average: 0.1 mph
Wind Run: 54.41 miles
Wind Gust
Current: 2.0 mph
Today: 18.4 mph 3:03 PM
Month: 30.0 mph 3-Aug
Year: 43.0 mph 25-Feb
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
14 h 6 m 37 s
of Sunlight Yesterday
14 h 4 m 31 s
of Sunlight Today
Which is
2 min 6 sec shorter than
yesterday
14 h 2 m 23 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Waning Crescent
Waning Crescent, 23 days, 18 hours, 0 minutes in cycle
38%
Illuminated
Humidity Barometer
Current: Increased 2% since last hour. 26%
Last Hour: Increased 2% since last hour. 2%
High 6:43 AM: 79%
Low 1:12 PM: 9%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Rising 0.029  inHg/hr 29.603 inHg
Last Hour: Rising
High 12:01 AM: 29.708
Low 5:49 PM: 29.531
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Cooling Degree Days Snow3 Heat Index Air
Today: 3.4
Aug: 54.9
2026 to Date: 727.3
Heating Degree Days
2026 to Date: 2417.9
Today: 0.00 in
Yesterday: 0.00 in
Aug Snow: No Change 0.00 in
Aug Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow days in August
0 snow days this season.2
First Snow of Season:
8-Jan-2026
Average 1st Snow:
29 of Oct
Current: 76.4°F
High 2:58pm: 92.8°F
Yesterday: 82.1°F
Record: 103.5°F
26-Jul-2026
Quality
Index6:

105


Unhealthy for Sensitive Groups
Density:
1.17 kg/m3
UV Summary/Forecast Solar Summary
High Today:   5.3 @ 12:59 PM
Aug-07

9.3
Aug-08

9.3
Aug-09

8.9
High Today:  
930 W/m2 @ 12:58 PM
Sun Hours Today:
11:15
   This Month: 55:46 Hrs
Rise: 6:04 am  Set: 8:07 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 57.0°F
Sunrise: 6:04 am
Sunset: 8:07 pm
Moonrise: 12:13 am
Moonset: 3:50 pm
Full Moon: 29-Jul-2026
New Moon: 17:37 UTC
12-Aug-2026
Updated at Midnight
Current ET: 0.28 in
7-Days Rain: 0.09 in
7-Days ET: 1.65 in
7-Day:  1.56 in water in deficit of what evaporated in last 7 days. 1.56 in
August:  1.37 in water in deficit of what evaporated this month. 1.37 in
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HIGHS: LOWS:
104.4°F
25-Jul-2026
-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:59%
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 August for this station since 2006.   11 Historical average rain this season to day 6 of August for this station since 2006.
 NWS Weather Forecast  -   Outlook Tonight & Friday
Tonight

Tonight: Areas Of Smoke
Areas Of Smoke

Lo 64°F
NWS forecast: Areas of smoke. Mostly clear, with a low around 64. West northwest wind 3 to 7 mph.
Friday

Friday: Areas Of Smoke
Areas Of Smoke

Hi 98°F
NWS forecast: Areas of smoke. Sunny. High near 98, with temperatures falling to around 96 in the afternoon. Northeast wind 3 to 7 mph.
 NWS Short Term Weather Forecast
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Monday

Monday: Mostly Sunny
Mostly Sunny
Monday
Night
Monday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Lo 66°F Hi 100°F Lo 66°F Hi 100°F Lo 66°F Hi 98°F Lo 65°F
Click here for the complete forecast.
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