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

53°F

12°C

Humidity 94%
Wind Speed E 3 mph
Barometer 30.51 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 2:35 am MDT
Extended Forecast for

3 Miles SW LONG'S PEAK CO

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. West wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 46 °F

    Mostly Cloudy

  • 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 28 mph.

    High: 65 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 46. West wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 64. West wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 64 °F

    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. Partly cloudy, with a low around 44. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

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

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. West wind 11 to 14 mph, with gusts as high as 22 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 28 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 46. West wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 64. West wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. Breezy.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64. Breezy.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. Breezy.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW LONG'S PEAK CO
 40.22°N 105.64°W (Elev. 10896 ft)
Last Update:
2:19 am MDT Aug 23, 2026
Forecast Valid:
2am MDT Aug 23, 2026-6pm MDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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