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

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

100°F

38°C

Humidity 10%
Wind Speed E 6 mph
Barometer 29.97 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 2 Aug 2:35 pm MDT
Extended Forecast for

Boulder CO

Heat Advisory August 2, 02:48pm until August 3, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 2, 02:48pm until August 3, 06:00pm

    NOW until 6:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 71. East southeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. North wind 5 to 9 mph, with gusts as high as 16 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 15 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. East wind 6 to 8 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 71. East southeast wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. North wind 5 to 9 mph, with gusts as high as 16 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40°N 105.25°W (Elev. 5377 ft)
Last Update:
12:46 pm MDT Aug 2, 2026
Forecast Valid:
2pm MDT Aug 2, 2026-6pm MDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation