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 26%
Wind Speed S 9 G 20 mph
Barometer 29.69 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 23 Apr 1:35 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 43. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Breezy, with a south wind 13 to 18 mph becoming west 19 to 24 mph in the morning. Winds could gust as high as 37 mph.

    High: 64 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Breezy, with a west wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 69. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. 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: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after noon. Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after noon. Cloudy, with a high near 59.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 43. South wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 64. Breezy, with a south wind 13 to 18 mph becoming west 19 to 24 mph in the morning. Winds could gust as high as 37 mph.
Thursday Night
Mostly clear, with a low around 37. Breezy, with a west wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.
Friday
Sunny, with a high near 69. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Partly cloudy, with a low around 35. 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 64.
Saturday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Sunday
Showers likely, then showers and possibly a thunderstorm after noon. Cloudy, with a high near 59.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 41.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.04°N 105.25°W (Elev. 5404 ft)
Last Update:
12:46 am MDT Apr 23, 2026
Forecast Valid:
1am 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