Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

61°F

16°C

Humidity 63%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Sep 8:55 pm MDT
Extended Forecast for

2 Miles WSW Boulder CO

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 71. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 30%.

    High: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Calm wind becoming east around 6 mph in the afternoon.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Calm wind.
Sunday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 49. Light and variable wind.
Monday
Sunny, with a high near 73. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 51. Light and variable wind.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Friday Night
A chance of showers. Partly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Boulder CO
 40.02°N 105.28°W (Elev. 5400 ft)
12:46 pm MDT Sep 19, 2026
11pm MDT Sep 19, 2026-6pm MDT Sep 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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