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.

Overcast

60°F

16°C

Humidity 52%
Wind Speed Calm
Barometer 30.56 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 22 Aug 1:35 am MDT
Extended Forecast for

LONG'S PEAK CO

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Southwest wind around 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 58. West 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

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, 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
    Partly Cloudy
    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 and possibly a thunderstorm after noon. High near 54. Breezy. Chance of precipitation is 80%.

    High: 54 °F

    Mostly Sunny
    and Breezy
    then Showers

  • 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.

    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

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Southwest wind around 8 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 58. West southwest wind 6 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, 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 and possibly a thunderstorm after noon. High near 54. Breezy. Chance of precipitation is 80%.
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.
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. 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:
12:46 am MDT Aug 22, 2026
Forecast Valid:
1am MDT Aug 22, 2026-6pm MDT Aug 28, 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