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.

Mostly Cloudy

27°F

-3°C

Humidity 88%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 20 Nov 8:35 am MST
Extended Forecast for

3 Miles W Guanella Pass CO

  • Today

    Today: A 50 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 27. South southeast wind 9 to 11 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Total daytime snow accumulation of less than one inch possible.

    High: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tonight

    Tonight: Snow likely. Cloudy, with a steady temperature around 22. East northeast wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 25. Northwest wind 8 to 10 mph, with gusts as high as 16 mph. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 13. Wind chill values as low as -1. Breezy, with a west wind 9 to 17 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 30. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 30 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 25.

    High: 25 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A chance of snow showers. Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Chance Snow
    Showers and
    Blustery

  • Monday

    Monday: A slight chance of snow showers before 11am. Mostly sunny, with a high near 24. Blustery.

    High: 24 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Sunny

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 27. South southeast wind 9 to 11 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow likely. Cloudy, with a steady temperature around 22. East northeast wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 25. Northwest wind 8 to 10 mph, with gusts as high as 16 mph. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 13. Wind chill values as low as -1. Breezy, with a west wind 9 to 17 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Saturday
Sunny, with a high near 30. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
A 40 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 25.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Blustery.
Monday
A slight chance of snow showers before 11am. Mostly sunny, with a high near 24. Blustery.
Monday Night
Partly cloudy, with a low around 11. Windy.
Tuesday
A chance of snow showers. Partly sunny, with a high near 18. Breezy.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Breezy.
Wednesday
A chance of snow showers. Partly sunny, with a high near 16. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Guanella Pass CO
 39.59°N 105.75°W (Elev. 13012 ft)
Last Update:
3:26 am MST Nov 20, 2025
Forecast Valid:
8am MST Nov 20, 2025-6pm MST Nov 26, 2025
 
Forecast Discussion
 
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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