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 71%
Wind Speed Calm
Barometer 30.57 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 22 Aug 6:15 am MDT
Extended Forecast for

4 Miles WNW LONG'S PEAK CO

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 63. Southwest wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 63 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 45. West southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 61. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 61 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West wind around 11 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. West wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.

    High: 60 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 63. Southwest wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 45. West southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 61. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 45. West wind around 11 mph, with gusts as high as 22 mph.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. West wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 59.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW LONG'S PEAK CO
 40.28°N 105.68°W (Elev. 11834 ft)
Last Update:
2:15 am MDT Aug 22, 2026
Forecast Valid:
6am MDT Aug 22, 2026-6pm MDT Aug 28, 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