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

48°F

9°C

Humidity 77%
Wind Speed E 3 mph
Barometer 30.38 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 12 Aug 6:55 am MDT
Extended Forecast for

4 Miles NW LONG'S PEAK CO

  • Today

    Today: Showers and thunderstorms likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 61. West southwest wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.

    High: 61 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Cloudy during the early evening, then gradual clearing, with a low around 43. West southwest wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms after 3pm. High near 54. West southwest wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 90%.

    High: 54 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 42. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

    Low: 42 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 54. West wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

    High: 54 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 61. West southwest wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Cloudy during the early evening, then gradual clearing, with a low around 43. West southwest wind 5 to 7 mph. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms after 3pm. High near 54. West southwest wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 42. Calm wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 54. West wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 54.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 56.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 58.
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Forecast Area
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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 12, 2026
Forecast Valid:
7am MDT Aug 12, 2026-6pm MDT Aug 18, 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