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.

Mostly Cloudy

51°F

11°C

Humidity 94%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 23 Aug 4:55 am MDT
Extended Forecast for

4 Miles NNW LONG'S PEAK CO

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 72. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 72 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 51. West wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 51 °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 71. West wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 71 °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. Partly cloudy, with a low around 49. Light west southwest wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. West wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.

    High: 70 °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 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

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

    High: 70 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 72. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 51. West wind 10 to 14 mph, with gusts as high as 22 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 71. West wind 5 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 49. Light west southwest wind becoming west 5 to 9 mph in the evening. Winds could gust 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 70. West wind 5 to 10 mph, with gusts as high as 16 mph. 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 48. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
Last Update:
2:19 am MDT Aug 23, 2026
Forecast Valid:
5am MDT Aug 23, 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