Red Flag Warning RED FLAG WARNING - Adams County  - Thornton

Current Radar
Thornton, Colorado current radar
Click for larger view
Current Webcam
Thornton, Colorado current webcam image
Click for larger view
Latest News
powered by Surfing Waves
spacer
METRIC | IMPERIAL
Updated: 10-Jun-2026 @ 10:45am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 5.4°F than last hour.

77.1°F

24-hr diff: 15°FWarmer 15°F than yesterday at this time.
Comfortable
High Today
77.3°F
10:43 AM
Low Today
53.6°F
5:57 AM
Yest High
86.7°F
4:42 PM
Yest Low
53.6°F
5:32 AM
Sta* High
97.8°F
2018
Sta* Low
40.7°F
2019
* This Station's Records Since 11/2006
Sunny, Dry Sunny, Dry

Wind from E Wind:  E
6.8

Gusting to:
8.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: MODERATE Current CBI
Fire Danger:
51.1 of 100
Today

Today: Sunny
Sunny
Tonight

Tonight: Mostly Clear
Mostly Clear
Thursday

Thursday: Sunny
Sunny
Hi 89°F Lo 54°F Hi 79°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 2.7°F since last hour. 45.8°F
Last Hour: Increased 2.7°F since last hour. +2.7°F
High 9:37 AM: 47.3°F
Low 4:57 AM: 40.2°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 60.4°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.22 in
Jun Rain: 0.30 in
Jun to Date
  Avg:10
0.59 in
Jun to Date
  Diff from Avg:10
Under 0.29 in for the month 0.29 in
Jun Avg: 1.46 in
Diff from Avg: Under 1.16 in for the month 1.16 in
Season:1 3.95 in
YTD
  Avg:11
7.20 in
YTD
  Diff from Avg:11
Under 3.25 in for the year 3.25 in
Last Rain
Time/Date:
8-Jun-2026
at 4:03 PM
31 rain days in 2026
3 days in June
1 day since last rain
Current: E  6.8 mph
1Hr Average: 3.2 mph
Wind Run: 16.56 miles
Wind Gust
Current: 8.0 mph
Today: 12.0 mph 10:32 AM
Month: 27.9 mph 7-Jun
Year: 43.0 mph 25-Feb
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
14 h 56 m 30 s
of Sunlight Yesterday
14 h 57 m 9 s
of Sunlight Today
Which is 39 sec longer than
yesterday
14 h 57 m 45 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Waning Crescent
Waning Crescent, 24 days, 20 hours, 48 minutes in cycle
24%
Illuminated
Humidity Barometer
Current: Decreased 3% since last hour. 33%
Last Hour: Decreased 3% since last hour. 3%
High 6:37 AM: 70%
Low 10:25 AM: 29%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Falling 0.019  inHg/hr 29.372 inHg
Last Hour: Falling slowly
High 8:28 AM: 29.416
Low 10:44 AM: 29.372
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Cooling Degree Days Snow3 Heat Index Air
Today: 0.4
Jun: 45.1
2026 to Date: 119.2
Heating Degree Days
2026 to Date: 2412.9
Today: 0.00 in
Yesterday: 0.00 in
Jun Snow: No Change 0.00 in
Jun Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 28.00 in
Snow Depth: 0.00 in
0 snow days in June
13 snow days this season.2
First Snow of Season:
28-Nov-2025
Average 1st Snow:
29 of Oct
Current: 78.0°F
High 10:43am: 77.3°F
Yesterday: 86.2°F
Record: 102.9°F
8-Jul-2021
Quality
Index6:

61


Moderate
Density:
1.16 kg/m3
Current UV Index Current Solar Energy9
6.0
Sunburn in
19 Minutes
Highest:
10:44 AM
6.0
788 W/m2
89%
W/m2 SI
High Today:
10:44 AM
788  W/m2
Record:
1461 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Morning
YTD Avg Temp: 50.3°F
Sunrise: 5:30 am
Sunset: 8:27 pm
Moonrise: 2:02 am
Moonset: 3:27 pm
Full Moon: 31-May-2026
New Moon: 02:55 UTC
14-Jun-2026
Updated at Midnight
Current ET: 0.20 in
7-Days Rain: 0.22 in
7-Days ET: 1.73 in
7-Day:  1.508 in water in deficit of what evaporated in last 7 days. 1.508 in
June:  1.66 in water in deficit of what evaporated this month. 1.66 in
Support this Site!
Your donation helps support this site
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:0 | 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.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 10 of just the month of June for this station since 2006.   11 Historical average rain this season to day 10 of June for this station since 2006.
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

Today: Sunny
Sunny

Hi 89°F
NWS forecast: Sunny, with a high near 89. South southwest wind 5 to 18 mph, with gusts as high as 30 mph.
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 54°F
NWS forecast: Mostly clear. Low around 54, with temperatures rising to around 56 overnight. North northwest wind 6 to 16 mph, with gusts as high as 26 mph.
 NWS Short Term Weather Forecast
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday

Sunday: Chance Rain Showers then Showers And Thunderstorms Likely
Chance Rain Showers then Showers And T-Storms Likely
Hi 79°F Lo 53°F Hi 92°F Lo 60°F Hi 88°F Lo 55°F Hi 73°F
Click here for the complete forecast.
ajax-dashboard6.php - Version 6.95h - 20-Feb-2023 - Script by: Scott of BurnsvilleWeatherLIVE.com
Now supported by Saratoga-weather.org Download