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

Granby-Grand County Airport (KGNB)

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

Fair

66°F

19°C

Humidity 17%
Wind Speed NW 7 mph
Barometer 30.31 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 10 Sep 7:35 pm MDT
Extended Forecast for

4 Miles NNW LONG'S PEAK CO

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Breezy, with a west southwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 31 mph.

    Low: 47 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 69. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Mostly clear, with a low around 48. West wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 67 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Breezy, with a west southwest wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Breezy.

    High: 70 °F

    Breezy. Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50. Breezy. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Breezy.

    High: 65 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Breezy, with a west southwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 31 mph.
Friday
Mostly sunny, with a high near 69. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 48. West wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 49. Breezy, with a west southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Breezy.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50. Breezy. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 58.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 62.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 43.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
Last Update:
2:43 pm MDT Sep 10, 2026
Forecast Valid:
8pm MDT Sep 10, 2026-6pm MDT Sep 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation