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.

Partly Cloudy

97°F

36°C

Humidity 6%
Wind Speed S 13 mph
Barometer 30.12 in
Dewpoint 19°F (-7°C)
Visibility 20.00 mi
Heat Index92°F (33°C)
Last update 5 Aug 3:52 pm MDT
Extended Forecast for

Thornton CO

Heat Advisory August 7, 10:00am until August 7, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Areas of smoke. Partly cloudy, with a low around 65. West northwest wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 65 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke. Mostly sunny and hot, with a high near 98. South southwest wind 6 to 8 mph becoming west northwest in the morning.

    High: 98 °F

    Areas Smoke

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Areas of smoke. Partly cloudy, with a low around 65. West northwest wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Wednesday
Areas of smoke. Mostly sunny and hot, with a high near 98. South southwest wind 6 to 8 mph becoming west northwest in the morning.
Wednesday Night
Partly cloudy, with a low around 67. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny and hot, with a high near 99. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph, with gusts as high as 21 mph.
Friday
Partly sunny and hot, with a high near 98.
Friday Night
Partly cloudy, with a low around 62.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 89.
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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:
2:07 pm MDT Aug 5, 2025
Forecast Valid:
4pm MDT Aug 5, 2025-6pm MDT Aug 12, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation