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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Boulder Municipal Airport (KBDU)

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

Partly Cloudy

59°F

15°C

Humidity 88%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Sep 8:35 am MDT
Extended Forecast for

3 Miles NW Boulder CO

  • Today

    Today: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 73 °F

    Patchy Fog
    then Showers
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Light west northwest wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 16 mph.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. West wind 5 to 9 mph becoming light and variable.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Calm wind becoming west around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Light west northwest wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 82. West wind 5 to 9 mph becoming light and variable.
Saturday Night
Mostly clear, with a low around 53. Calm wind becoming west around 6 mph.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Monday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 52.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly sunny, with a high near 70.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Thursday
A slight chance of showers. Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Boulder CO
 40.06°N 105.28°W (Elev. 5535 ft)
Last Update:
12:46 am MDT Sep 25, 2026
Forecast Valid:
8am MDT Sep 25, 2026-6pm MDT Oct 1, 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