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

49°F

9°C

Humidity 90%
Wind Speed Calm
Barometer 30.49 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Aug 5:15 am MDT
Extended Forecast for

LONG'S PEAK CO

  • Today

    Today: A slight chance of showers between 11am and noon, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 52. Southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 52 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 10pm. Partly cloudy, with a low around 41. West wind 5 to 8 mph. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 56. West wind 6 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 56 °F

    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. Partly cloudy, with a low around 41. Northeast wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. West wind 6 to 13 mph, with gusts as high as 17 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Windy.

    High: 58 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers between 11am and noon, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 52. Southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 10pm. Partly cloudy, with a low around 41. West wind 5 to 8 mph. Chance of precipitation is 50%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 56. West wind 6 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Northeast wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 57. West wind 6 to 13 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 43. Breezy.
Tuesday
Partly sunny, with a high near 58. Windy.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. Breezy.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. Breezy.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 58. Breezy.
Thursday Night
Partly cloudy, with a low around 44. Breezy.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 60. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.24°N 105.62°W (Elev. 12064 ft)
Last Update:
12:46 am MDT Aug 15, 2026
Forecast Valid:
5am MDT Aug 15, 2026-6pm MDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation