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

Severe Thunderstorms in the Southeast and Mid-Atlantic and Dangerous Heat in the West on Friday

Severe thunderstorms will bring a threat of damaging winds, large hail, and a couple of tornadoes to portions of the Southeast and Mid-Atlantic on Friday, and heavy rain may lead to instances of flash flooding from eastern Kentucky to southern New York. Meanwhile, dangerous heat will develop in the West, with potentially record-breaking temperatures. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

53°F

12°C

Humidity 52%
Wind Speed N 5 mph
Barometer 30.36 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 29 May 9:35 pm MDT
Extended Forecast for

4 Miles W Allenspark CO

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 65. West wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 65 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. East northeast wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West wind around 6 mph becoming calm. Winds could gust as high as 17 mph.

    High: 67 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. Northeast wind 5 to 8 mph becoming southwest in the evening. Winds could gust as high as 18 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West wind 5 to 11 mph, with gusts as high as 18 mph.
Friday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 65. West wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 41. East northeast wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West wind around 6 mph becoming calm. Winds could gust as high as 17 mph.
Saturday Night
Mostly clear, with a low around 44. Northeast wind 5 to 8 mph becoming southwest in the evening. Winds could gust as high as 18 mph.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 66.
Monday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 42.
Tuesday
Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54.
Tuesday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 37.
Wednesday
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Thursday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Allenspark CO
 40.2°N 105.58°W (Elev. 9229 ft)
Last Update:
8:24 pm MDT May 29, 2025
Forecast Valid:
9pm MDT May 29, 2025-6pm MDT Jun 5, 2025
 
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