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

81°F

27°C

Humidity 10%
Wind Speed W 9 G 16 mph
Barometer 30.11 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Mar 5:55 pm MDT
Extended Forecast for

Boulder CO

Red Flag Warning March 18, 06:13pm until March 18, 07:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning March 18, 06:13pm until March 18, 07:00pm

    NOW until 7:00pm Wed

    Red Flag Warning

  • Tonight

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. West wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. West wind 6 to 8 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. West wind around 9 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Breezy.

    High: 87 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after noon. Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 83. West wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 53. West wind 8 to 10 mph, with gusts as high as 17 mph.
Friday
Sunny, with a high near 84. West wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 53. West wind around 9 mph.
Saturday
Sunny, with a high near 87. Breezy.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A slight chance of rain after noon. Mostly cloudy, with a high near 64.
Sunday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 84. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.02°N 105.28°W (Elev. 5400 ft)
Last Update:
12:47 pm MDT Mar 18, 2026
Forecast Valid:
6pm MDT Mar 18, 2026-6pm MDT Mar 25, 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