National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

86°F

30°C

Humidity 25%
Wind Speed SE 5 mph
Barometer 30.06 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Jun 10:55 am MDT
Extended Forecast for

Boulder CO

Heat Advisory June 20, 11:00am until June 21, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Juneteenth

    Juneteenth: Sunny, with a high near 95. Light east southeast wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southeast wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. West southwest wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Juneteenth
Sunny, with a high near 95. Light east southeast wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Tonight
Mostly clear, with a low around 65. Southeast wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 15 mph.
Friday
Sunny and hot, with a high near 98. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 64. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 96. West southwest wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 92.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Monday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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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:
4:01 am MDT Jun 19, 2025
Forecast Valid:
11am MDT Jun 19, 2025-6pm MDT Jun 25, 2025
 
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