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

54°F

12°C

Humidity 24%
Wind Speed SW 17 G 28 mph
Barometer 29.71 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 23 Apr 3:35 am MDT
Extended Forecast for

Boulder CO

Red Flag Warning April 23, 11:00am until April 23, 07:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly clear, with a low around 44. West southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 65 °F

    Breezy. Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Breezy, with a west wind 6 to 16 mph, with gusts as high as 33 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 70. Breezy, with a west northwest wind 7 to 16 mph becoming south southeast in the morning. Winds could gust as high as 25 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Breezy, with a west wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after noon. Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after noon. Cloudy, with a high near 60.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 44. West southwest wind around 10 mph, with gusts as high as 18 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Mostly clear, with a low around 38. Breezy, with a west wind 6 to 16 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 70. Breezy, with a west northwest wind 7 to 16 mph becoming south southeast in the morning. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 37. Breezy, with a west wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Saturday
A 40 percent chance of showers after noon. Partly sunny, with a high near 65.
Saturday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Sunday
Showers likely, then showers and possibly a thunderstorm after noon. Cloudy, with a high near 60.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 38.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40°N 105.25°W (Elev. 5377 ft)
Last Update:
2:51 am MDT Apr 23, 2026
Forecast Valid:
3am MDT Apr 23, 2026-6pm MDT Apr 29, 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