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

55°F

13°C

Humidity 56%
Wind Speed Calm
Barometer 30.59 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 25 Aug 8:35 am MDT
Extended Forecast for

5 Miles SW LONG'S PEAK CO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 62. West wind around 9 mph, with gusts as high as 15 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 42. Northwest wind around 7 mph becoming south southwest in the evening.

    Low: 42 °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 60. West wind around 7 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.

    High: 60 °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 40. Northeast wind 6 to 9 mph becoming southwest after midnight. Chance of precipitation is 40%.

    Low: 40 °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 59. West wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 59 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

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

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 60. Windy.

    High: 60 °F

    Partly Sunny
    and Windy

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 62. West wind around 9 mph, with gusts as high as 15 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 42. Northwest wind around 7 mph becoming south 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 60. West wind around 7 mph becoming north northeast in the afternoon. 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 40. Northeast wind 6 to 9 mph becoming southwest after midnight. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. West wind 7 to 9 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. Breezy.
Friday Night
Mostly cloudy, with a low around 44. Breezy.
Saturday
Partly sunny, with a high near 60. Windy.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. Breezy.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 57. Breezy.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW LONG'S PEAK CO
 40.2°N 105.67°W (Elev. 11558 ft)
Last Update:
12:46 am MDT Aug 25, 2026
Forecast Valid:
8am MDT Aug 25, 2026-6pm MDT Aug 31, 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