Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

81°F

27°C

Humidity 8%
Wind Speed W 10 G 17 mph
Barometer 30.22 in
Dewpoint 13°F (-11°C)
Visibility NA
Heat Index79°F (26°C)
Last update 16 Jun 5:15 pm MDT
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 16 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 9am.  Partly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph.  Chance of precipitation is 50%.

    High: 69 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. West northwest wind 5 to 10 mph becoming light north northwest  in the evening. Winds could gust as high as 22 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 42 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Breezy.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. Breezy.

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 38. West northwest wind 5 to 10 mph becoming light north northwest in the evening. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Clear, with a low around 42. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Juneteenth
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 81. Breezy.
Friday Night
Mostly clear, with a low around 48. Breezy.
Saturday
Sunny, with a high near 82. Breezy.
Saturday Night
Mostly clear, with a low around 48. Breezy.
Sunday
Sunny, with a high near 78. Breezy.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
4:29 pm MDT Jun 16, 2025
5pm MDT Jun 16, 2025-6pm MDT Jun 23, 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