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.

Drizzle

58°F

14°C

Humidity 91%
Wind Speed NE 7 mph
Barometer 30.56 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 9:35 pm MDT
Extended Forecast for

4 Miles SSW LONG'S PEAK CO

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 46. West wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 65. Breezy, with a west wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 65 °F

    Breezy.
    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, then gradually becoming mostly clear, with a low around 46. West wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 65. West wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 65 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 45. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.

    High: 63 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

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

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 46. West wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 65. Breezy, with a west wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. West wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 65. West wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 45. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. Breezy.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65. Breezy.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45. Breezy.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW LONG'S PEAK CO
 40.22°N 105.64°W (Elev. 10896 ft)
Last Update:
12:46 pm MDT Aug 22, 2026
Forecast Valid:
9pm MDT Aug 22, 2026-6pm MDT Aug 29, 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