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.

Drizzle

44°F

7°C

Humidity 91%
Wind Speed E 3 mph
Barometer 30.27 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 23 Sep 12:55 am MDT
Extended Forecast for

LONG'S PEAK CO

Winter Weather Advisory until September 23, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until September 23, 06:00pm

    NOW until 6:00pm Tue

    Winter Weather Advisory

  • Overnight

    Low: 30 °F

    Snow Showers

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times. Some thunder is also possible. High near 32. Northwest wind 7 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

    High: 32 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 24. North northeast wind around 8 mph becoming west after midnight. Winds could gust as high as 16 mph. New snow accumulation of around an inch possible.

    Low: 24 °F

    Chance Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 40. West wind 8 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Breezy, with a southeast wind 7 to 16 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 29 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 48. Breezy.

    High: 48 °F

    Sunny and
    Breezy then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 49. Breezy.

    High: 49 °F

    Sunny and
    Breezy then
    Mostly Sunny

Detailed Forecast

Overnight
Snow showers. Some thunder is also possible. Low around 30. West wind around 7 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Tuesday
Snow. The snow could be heavy at times. Some thunder is also possible. High near 32. Northwest wind 7 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.
Tuesday Night
A 40 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 24. North northeast wind around 8 mph becoming west after midnight. Winds could gust as high as 16 mph. New snow accumulation of around an inch possible.
Wednesday
Sunny, with a high near 40. West wind 8 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 29. Breezy, with a southeast wind 7 to 16 mph becoming west after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 48. Breezy.
Thursday Night
Mostly clear, with a low around 33. Breezy.
Friday
Sunny, with a high near 49. Breezy.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain and snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 47.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 34.
Monday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 43. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.24°N 105.62°W (Elev. 12064 ft)
Last Update:
2:49 pm MDT Sep 22, 2025
Forecast Valid:
1am MDT Sep 23, 2025-6pm MDT Sep 29, 2025
 
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Additional Resources

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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