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

73°F

23°C

Humidity 19%
Wind Speed E 3 mph
Barometer 30.06 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 21 Apr 9:15 am MDT
Extended Forecast for

Boulder CO

Red Flag Warning April 22, 10:00am until April 23, 12:00am
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Mostly sunny, with a high near 82. Calm wind becoming east southeast 5 to 8 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. East southeast wind around 7 mph becoming west in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Breezy, with a south southwest wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 83 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Breezy, with a west wind 9 to 15 mph, with gusts as high as 36 mph.

    High: 65 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

  • Friday

    Friday: A chance of rain and snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind becoming east southeast 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 55. East southeast wind around 7 mph becoming west in the evening.
Wednesday
Mostly sunny, with a high near 83. Breezy, with a south southwest wind 5 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 44. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Breezy, with a west wind 9 to 15 mph, with gusts as high as 36 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 37.
Friday
A chance of rain and snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Friday Night
A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33.
Saturday
A slight chance of rain and snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 57.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 37.
Sunday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 57.
Sunday Night
Rain and snow showers likely. Mostly cloudy, with a low around 37.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40°N 105.25°W (Elev. 5377 ft)
Last Update:
2:41 am MDT Apr 21, 2026
Forecast Valid:
9am MDT Apr 21, 2026-6pm MDT Apr 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