National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

59°F

15°C

Humidity 56%
Wind Speed Calm
Barometer 30.59 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 Aug 8:35 am MDT
Extended Forecast for

LONG'S PEAK CO

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 58. Southwest wind 6 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    High: 58 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 45. Breezy, with a south southwest wind 8 to 13 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 56. Windy, with a west wind 23 to 28 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.

    High: 56 °F

    Mostly Sunny
    and Windy
    then Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Breezy, with a west wind 15 to 23 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 54. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 54 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.

    Low: 42 °F

    Breezy.
    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 52. Breezy. Chance of precipitation is 70%.

    High: 52 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 53.

    High: 53 °F

    Sunny then
    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 58. Southwest wind 6 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 45. Breezy, with a south southwest wind 8 to 13 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 56. Windy, with a west wind 23 to 28 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 44. Breezy, with a west wind 15 to 23 mph, with gusts as high as 26 mph.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 54. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 52. Breezy. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.
Wednesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 53.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Breezy.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 54. Breezy.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43. Breezy.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 54. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.27°N 105.62°W (Elev. 12999 ft)
Last Update:
2:15 am MDT Aug 22, 2026
Forecast Valid:
8am MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation