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.

Overcast

56°F

13°C

Humidity 88%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 13 Aug 9:35 am MDT
Extended Forecast for

4 Miles NW LONG'S PEAK CO

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 57. Southwest wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    High: 57 °F

    Chance
    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 41. West southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 56. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 56 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 42. West wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 56. West wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 56 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

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

    Low: 40 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 57. Southwest wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 41. West southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 56. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 42. West wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 56. West wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 41.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 57.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 58.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW LONG'S PEAK CO
 40.28°N 105.68°W (Elev. 11834 ft)
Last Update:
12:46 am MDT Aug 13, 2026
Forecast Valid:
9am MDT Aug 13, 2026-6pm MDT Aug 19, 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