National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Smoke

86°F

30°C

Humidity 13%
Wind Speed E 7 mph
Barometer 30.30 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 7 Aug 12:45 pm MDT
Extended Forecast for

Thornton CO

Heat Advisory August 8, 11:00am until August 9, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Areas of smoke. Sunny and hot, with a high near 97. East wind 6 to 8 mph.

    High: 97 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 68. East wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 68 °F

    Areas Smoke

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 101. West southwest wind 5 to 8 mph becoming north in the morning.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. North northwest wind 5 to 8 mph becoming south in the evening.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. South southwest wind 5 to 9 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Areas of smoke. Sunny and hot, with a high near 97. East wind 6 to 8 mph.
Tonight
Areas of smoke. Mostly clear, with a low around 68. East wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly sunny and hot, with a high near 101. West southwest wind 5 to 8 mph becoming north in the morning.
Saturday Night
Partly cloudy, with a low around 70. North northwest wind 5 to 8 mph becoming south in the evening.
Sunday
Mostly sunny and hot, with a high near 99. South southwest wind 5 to 9 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 67.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96.
Monday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton CO
 39.89°N 104.95°W (Elev. 5197 ft)
Last Update:
12:46 pm MDT Aug 7, 2026
Forecast Valid:
1pm MDT Aug 7, 2026-6pm MDT Aug 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation