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

21°C

70°F

Humidity 18%
Wind Speed SE 9 km/h
Barometer 29.87 in
Dewpoint -4°C (25°F)
Visibility 16 km
Last update 21 Apr 10:35 pm MDT
Extended Forecast for

Boulder CO

Fire Weather Watch April 23, 10:00am until April 23, 08:00pm
Red Flag Warning April 22, 10:00am until April 23, 12:00am
Click here for hazard details and duration
Fire Weather Watch
Red Flag Warning

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. West wind around 11 km/h.

    Low: 13 °C

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Breezy, with a west wind 10 to 15 km/h becoming west southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 28 °C

    Mostly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6. Breezy, with a west wind 27 to 32 km/h decreasing to 14 to 19 km/h in the evening. Winds could gust as high as 50 km/h.

    Low: 6 °C

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 18. Breezy, with a west wind 26 to 29 km/h, with gusts as high as 55 km/h.

    High: 18 °C

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 4. Breezy, with a west wind 22 to 27 km/h becoming light west southwest after midnight. Winds could gust as high as 47 km/h.

    Low: 4 °C

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 19.

    High: 19 °C

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 2. Chance of precipitation is 20%.

    Low: 2 °C

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: A slight chance of snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 18.

    High: 18 °C

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 5.

    Low: 5 °C

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 13. West wind around 11 km/h.
Wednesday
Mostly sunny, with a high near 28. Breezy, with a west wind 10 to 15 km/h becoming west southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.
Wednesday Night
Partly cloudy, with a low around 6. Breezy, with a west wind 27 to 32 km/h decreasing to 14 to 19 km/h in the evening. Winds could gust as high as 50 km/h.
Thursday
Mostly sunny, with a high near 18. Breezy, with a west wind 26 to 29 km/h, with gusts as high as 55 km/h.
Thursday Night
Partly cloudy, with a low around 4. Breezy, with a west wind 22 to 27 km/h becoming light west southwest after midnight. Winds could gust as high as 47 km/h.
Friday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 19.
Friday Night
A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 2. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 18.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 5.
Sunday
Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 16.
Sunday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 3.
Monday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 17.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 4.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 20.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.02°N 105.28°W (Elev. 5400 m)
Last Update:
12:46 pm MDT Apr 21, 2026
Forecast Valid:
10pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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