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 and Breezy

77°F

25°C

Humidity 16%
Wind Speed SW 23 G 36 mph
Barometer 30.12 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 20 Jun 11:55 am MDT
Extended Forecast for

6 Miles WNW Arapahoe Peak CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Breezy, with a west southwest wind around 22 mph, with gusts as high as 34 mph.

    High: 73 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 47. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 33 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 72. West wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. West southwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. West southwest wind 9 to 14 mph, with gusts as high as 29 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Breezy, with a west southwest wind around 22 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 47. Breezy, with a west southwest wind 11 to 21 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 72. West wind 10 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 46. West southwest wind 9 to 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 66. West southwest wind 9 to 14 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 40.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 63.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 60.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Arapahoe Peak CO
 40.06°N 105.74°W (Elev. 10095 ft)
4:00 am MDT Jun 20, 2025
12pm 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