Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

49°F

9°C

Humidity 58%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Jun 7:55 am MDT
Extended Forecast for

3 Miles SSW Grand Lake CO

  • Today

    Today: Sunny, with a high near 79. Windy, with a west southwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 79 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Clear, with a low around 47. Breezy, with a southwest wind 19 to 24 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 37 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Breezy, with a south wind 9 to 16 mph becoming west southwest in the morning. Winds could gust as high as 28 mph.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 72. Breezy, with a west southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Breezy.

    Low: 38 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 69.

    High: 69 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 79. Windy, with a west southwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Tonight
Clear, with a low around 47. Breezy, with a southwest wind 19 to 24 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 37 mph.
Saturday
Sunny, with a high near 78. Breezy, with a south wind 9 to 16 mph becoming west southwest in the morning. Winds could gust as high as 28 mph.
Saturday Night
Mostly clear, with a low around 45. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 72. Breezy, with a west southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 38. Breezy.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 69.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Grand Lake CO
 40.21°N 105.84°W (Elev. 8399 ft)
4:00 am MDT Jun 20, 2025
8am MDT Jun 20, 2025-6pm MDT Jun 26, 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