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.

Mostly Cloudy

75°F

24°C

Humidity 26%
Wind Speed NW 7 mph
Barometer 30.31 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 4 Sep 2:35 pm MDT
Extended Forecast for

LONG'S PEAK CO

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 54. West southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 54 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 43. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 54. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. West wind 7 to 13 mph becoming south southeast in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 52. West wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 16 mph.

    High: 52 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms then
    Mostly Cloudy
    and Breezy

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 49. Breezy.

    High: 49 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 54. West southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 43. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 54. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 44. West wind 7 to 13 mph becoming south southeast in the evening.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 52. West wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 20%.
Labor Day
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 49. Breezy.
Monday Night
Mostly cloudy, with a low around 40. Breezy.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 50. Breezy.
Tuesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 51.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 43.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.27°N 105.62°W (Elev. 12999 ft)
Last Update:
12:46 pm MDT Sep 4, 2026
Forecast Valid:
2pm MDT Sep 4, 2026-6pm MDT Sep 10, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation