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 89%
Wind Speed Calm
Barometer 30.52 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Aug 7:35 am MDT
Extended Forecast for

4 Miles NW 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 53. West southwest wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 53 °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 southwest wind 5 to 7 mph. Chance of precipitation is 40%.

    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 around 7 mph becoming north in the afternoon. Winds could gust as high as 16 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 40. North northwest wind 5 to 7 mph becoming east northeast in the evening. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 57. West wind around 8 mph, with gusts as high as 16 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

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

    Low: 43 °F

    Partly Cloudy

  • Tuesday

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

    High: 58 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 57.

    High: 57 °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 53. West southwest wind around 8 mph, with gusts as high as 15 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 southwest wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 56. West wind around 7 mph becoming north 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. Partly cloudy, with a low around 40. North northwest wind 5 to 7 mph becoming east northeast in the evening. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 57. West wind around 8 mph, with gusts as high as 16 mph.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 58. Breezy.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Breezy.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 57.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW LONG'S PEAK CO
 40.28°N 105.68°W (Elev. 11834 ft)
Last Update:
12:46 am MDT Aug 15, 2026
Forecast Valid:
7am MDT Aug 15, 2026-6pm MDT Aug 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation