Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

66°F

19°C

Humidity 68%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Jul 10:35 pm MDT
Extended Forecast for

Boulder CO

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West wind 3 to 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 91. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 63. South wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 63. West wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. West wind 3 to 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 63. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 63. West wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 90.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 91.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.02°N 105.28°W (Elev. 5400 ft)
8:10 pm MDT Jul 18, 2025
10pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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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