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.

Light Snow

24°F

-4°C

Humidity 84%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 19°F (-7°C)
Visibility 7.00 mi
Last update 2 Dec 7:55 pm MST
Extended Forecast for

3 Miles W Guanella Pass CO

  • Tonight

    Tonight: Snow. Low around 5. Wind chill values as low as -3. West wind 8 to 11 mph becoming south southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 5 °F

    Snow

  • Wednesday

    Wednesday: Snow. Temperature falling to around 3 by 4pm. Wind chill values as low as -11. Southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 9 °F⇓

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -22. Breezy, with a south wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Snow Likely
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Patchy blowing snow before 4pm. Sunny and cold, with a high near 10. Wind chill values as low as -23. Breezy, with a west wind 22 to 24 mph, with gusts as high as 37 mph.

    High: 10 °F

    Patchy
    Blowing Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 5. Windy, with a west wind 28 to 30 mph, with gusts as high as 45 mph.

    Low: 5 °F

    Slight Chance
    Snow and
    Windy

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 15. Windy.

    High: 15 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 7. Very windy.

    Low: 7 °F

    Chance Snow
    and Very
    Windy

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 16. Very windy.

    High: 16 °F

    Snow Likely
    and Very
    Windy

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 13. Very windy.

    Low: 13 °F

    Snow Likely
    and Very
    Windy

Detailed Forecast

Tonight
Snow. Low around 5. Wind chill values as low as -3. West wind 8 to 11 mph becoming south southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. Temperature falling to around 3 by 4pm. Wind chill values as low as -11. Southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -22. Breezy, with a south wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Patchy blowing snow before 4pm. Sunny and cold, with a high near 10. Wind chill values as low as -23. Breezy, with a west wind 22 to 24 mph, with gusts as high as 37 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 5. Windy, with a west wind 28 to 30 mph, with gusts as high as 45 mph.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 15. Windy.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 7. Very windy.
Saturday
Snow likely. Mostly cloudy, with a high near 16. Very windy.
Saturday Night
Snow likely. Mostly cloudy, with a low around 13. Very windy.
Sunday
A chance of snow. Partly sunny, with a high near 16. Windy.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 10. Windy.
Monday
A chance of snow. Partly sunny, with a high near 17. Windy.
Monday Night
Partly cloudy, with a low around 10. Very windy.
Tuesday
A slight chance of snow showers. Mostly sunny, with a high near 22. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Guanella Pass CO
 39.59°N 105.75°W (Elev. 13012 ft)
Last Update:
2:21 pm MST Dec 2, 2025
Forecast Valid:
8pm MST Dec 2, 2025-6pm MST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation