Heavy to Excessive Rainfall in the Central Appalachians; Severe Weather in the Mid-South; Hot Weather in Southern California

Heavy to excessive rainfall may lead to flooding today over southwest Pennsylvania into northern West Virginia, and western Maryland. Severe thunderstorms are possible this afternoon and evening in the Mid-South and across Eastern North Carolina. An extended period of hot weather is forecast for parts of coastal southern California including Los Angeles from today through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

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

Fair

72°F

22°C

Humidity 25%
Wind Speed E 6 mph
Barometer 30.04 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 May 12:55 pm MDT
Extended Forecast for

Boulder CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Breezy, with a west wind around 17 mph, with gusts as high as 28 mph.

    High: 76 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 45. Breezy, with a west northwest wind 10 to 15 mph becoming light. Winds could gust as high as 24 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. South southeast wind around 6 mph becoming light and variable  in the evening.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday 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 52. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Breezy, with a west wind around 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 45. Breezy, with a west northwest wind 10 to 15 mph becoming light. Winds could gust as high as 24 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 51. South southeast wind around 6 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Friday 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 52. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Sunday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 64.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.
Memorial Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder CO
 40.02°N 105.28°W (Elev. 5400 ft)
4:00 am MDT May 21, 2025
1pm MDT May 21, 2025-6pm MDT May 27, 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