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

79°F

26°C

Humidity 13%
Wind Speed SE 5 mph
Barometer 30.04 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Mar 10:35 am MDT
Extended Forecast for

3 Miles SW Boulder CO

Red Flag Warning March 21, 11:00am until March 21, 10:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Mostly sunny, with a high near 87. West wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Calm wind becoming east around 6 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. East wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. West wind 5 to 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 48. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming east around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 43. East wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 71. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Boulder CO
 40°N 105.3°W (Elev. 6509 ft)
Last Update:
12:46 am MDT Mar 21, 2026
Forecast Valid:
10am MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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