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

88°F

31°C

Humidity 8%
Wind Speed W 7 G 24 mph
Barometer 29.85 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Mar 4:35 pm MDT
Extended Forecast for

3 Miles WSW Boulder CO

Red Flag Warning March 21, 04:49pm until March 21, 10:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 21, 04:49pm until March 21, 10:00pm

    NOW until 10:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Light and variable wind becoming east around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. East wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Calm wind becoming west around 5 mph after midnight.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °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 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. West wind 5 to 14 mph becoming north after midnight. Winds could gust as high as 22 mph.
Sunday
Mostly sunny, with a high near 63. Light and variable wind becoming east around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44. East wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 70. Light and variable wind.
Monday Night
Partly cloudy, with a low around 49. Calm wind becoming west around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 71.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Friday
A slight chance of rain. Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Boulder CO
 40°N 105.3°W (Elev. 6509 ft)
Last Update:
12:47 pm MDT Mar 21, 2026
Forecast Valid:
4pm MDT Mar 21, 2026-6pm MDT Mar 28, 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