Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

59°F

15°C

Humidity 63%
Wind Speed E 5 mph
Barometer 30.14 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 Sep 7:15 am MDT
Extended Forecast for

3 Miles WSW Boulder CO

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 74. Calm wind becoming east northeast around 5 mph.  Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Light and variable wind.  Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 63. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 51. Calm wind.  Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 71. Light and variable wind.  Chance of precipitation is 30%.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 74. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 50%.
Thursday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. Calm wind becoming northeast around 5 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 51. Calm wind. Chance of precipitation is 50%.
Friday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 71. Light and variable wind. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Boulder CO
 40°N 105.3°W (Elev. 6509 ft)
12:46 am MDT Sep 23, 2026
7am MDT Sep 23, 2026-6pm MDT Sep 29, 2026
 
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Additional Resources

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