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

64°F

18°C

Humidity 58%
Wind Speed NW 3 mph
Barometer 30.41 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 14 Aug 9:35 am MDT
Extended Forecast for

4 Miles NW LONG'S PEAK CO

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 55. West southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 55 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. West southwest wind 6 to 8 mph.

    Low: 41 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 53. West southwest wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

    High: 53 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. West northwest wind around 6 mph becoming light and variable.

    Low: 39 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 54. West wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 54 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. Breezy.

    High: 58 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 55. West southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tonight
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. West southwest wind 6 to 8 mph.
Saturday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 53. West southwest wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. West northwest wind around 6 mph becoming light and variable.
Sunday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 54. West wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Chance of precipitation is 40%.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. Breezy.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 43.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 57.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

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 14, 2026
Forecast Valid:
9am MDT Aug 14, 2026-6pm MDT Aug 20, 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