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.

Partly Cloudy

73°F

23°C

Humidity 30%
Wind Speed Calm
Barometer 30.56 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 25 Aug 11:35 am MDT
Extended Forecast for

4 Miles NNW LONG'S PEAK CO

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a temperature falling to around 61 by 5pm. West wind 6 to 8 mph.

    High: 72 °F⇓

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming west southwest in the evening.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 69. West wind 5 to 7 mph becoming light and variable. Chance of precipitation is 60%.

    High: 69 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 48. Light and variable wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. West wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.

    High: 72 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Breezy.

    High: 74 °F

    Mostly Sunny
    and Breezy
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73. Breezy.

    High: 73 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a temperature falling to around 61 by 5pm. West wind 6 to 8 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming west southwest in the evening.
Wednesday
A slight chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 69. West wind 5 to 7 mph becoming light and variable. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 48. Light and variable wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. West wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 50. Breezy.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Breezy.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 73. Breezy.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Breezy.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 69. Breezy.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
Last Update:
12:46 am MDT Aug 25, 2026
Forecast Valid:
11am MDT Aug 25, 2026-6pm MDT Aug 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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