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

75°F

24°C

Humidity 21%
Wind Speed SE 5 mph
Barometer 30.14 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Jun 11:15 am MDT
Extended Forecast for

2 Miles S Arapahoe Peak CO

  • Today

    Today: Sunny, with a high near 70. Windy, with a west southwest wind 26 to 29 mph, with gusts as high as 44 mph.

    High: 70 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 45. Windy, with a west southwest wind 24 to 28 mph, with gusts as high as 41 mph.

    Low: 45 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 69. Windy, with a west wind 18 to 26 mph, with gusts as high as 44 mph.

    High: 69 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. Windy, with a west southwest wind 18 to 25 mph, with gusts as high as 41 mph.

    Low: 43 °F

    Mostly Clear
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a west southwest wind around 23 mph, with gusts as high as 38 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Mostly clear, with a low around 37. Breezy.

    Low: 37 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 53. Breezy.

    High: 53 °F

    Breezy.
    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 39. Breezy.

    Low: 39 °F

    Chance
    T-storms and
    Breezy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then showers and thunderstorms likely after noon.  Partly sunny, with a high near 58. Breezy.

    High: 58 °F

    Slight Chance
    Showers then
    T-storms
    Likely and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 70. Windy, with a west southwest wind 26 to 29 mph, with gusts as high as 44 mph.
Tonight
Mostly clear, with a low around 45. Windy, with a west southwest wind 24 to 28 mph, with gusts as high as 41 mph.
Saturday
Sunny, with a high near 69. Windy, with a west wind 18 to 26 mph, with gusts as high as 44 mph.
Saturday Night
Mostly clear, with a low around 43. Windy, with a west southwest wind 18 to 25 mph, with gusts as high as 41 mph.
Sunday
Sunny, with a high near 62. Breezy, with a west southwest wind around 23 mph, with gusts as high as 38 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 37. Breezy.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 53. Breezy.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 39. Breezy.
Tuesday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 58. Breezy.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 41.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 55.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 37.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Arapahoe Peak CO
 40°N 105.65°W (Elev. 10614 ft)
4:00 am MDT Jun 20, 2025
11am 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