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

63°F

17°C

Humidity 15%
Wind Speed SW 10 mph
Barometer 30.03 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 20 Apr 11:15 pm 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

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. East southeast wind around 6 mph becoming west after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Breezy, with a south southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 81 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Breezy, with a west wind 17 to 21 mph, with gusts as high as 31 mph.

    Low: 44 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Windy.

    High: 65 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A chance of rain and snow showers before 9am, then rain showers likely. Some thunder is also possible. Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 55. East southeast wind around 6 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 81. Breezy, with a south southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 44. Breezy, with a west wind 17 to 21 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 65. Windy.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36. Breezy.
Friday
A chance of rain and snow showers before 9am, then rain showers likely. Some thunder is also possible. Partly sunny, with a high near 62.
Friday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 34.
Saturday
Rain and snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 53.
Saturday Night
Rain and snow showers likely. Mostly cloudy, with a low around 34.
Sunday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 52.
Sunday Night
Rain and snow showers likely. Mostly cloudy, with a low around 34.
Monday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 58.
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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 Apr 20, 2026
Forecast Valid:
11pm MDT Apr 20, 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