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

10°F

-12°C

Humidity 87%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 2 Dec 3:35 am MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

  • Today

    Today: A 50 percent chance of snow, mainly after 7am. Increasing clouds, with a high near 14. Wind chill values as low as -13. Windy, with a west wind 22 to 28 mph, with gusts as high as 41 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 14 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Snow. Low around 2. Wind chill values as low as -12. Breezy, with a west wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 2 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Snow. High near 6. Wind chill values as low as -20. East wind 9 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 6 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around -6. Wind chill values as low as -30. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph after midnight. New snow accumulation of less than a half inch possible.

    Low: -6 °F

    Chance Snow
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Sunny and cold, with a high near 6. Breezy, with a west wind 21 to 23 mph, with gusts as high as 31 mph.

    High: 6 °F

    Cold and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 0. Windy.

    Low: 0 °F

    Chance Snow
    and Windy

  • Friday

    Friday: Snow likely. Mostly cloudy and cold, with a high near 8. Windy. Chance of precipitation is 60%.

    High: 8 °F

    Snow Likely
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 6. Very windy.

    Low: 6 °F

    Snow Likely
    and Very
    Windy

  • Saturday

    Saturday: Snow. Mostly cloudy, with a high near 12. Very windy.

    High: 12 °F

    Snow and Very
    Windy

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 7am. Increasing clouds, with a high near 14. Wind chill values as low as -13. Windy, with a west wind 22 to 28 mph, with gusts as high as 41 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Low around 2. Wind chill values as low as -12. Breezy, with a west wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. High near 6. Wind chill values as low as -20. East wind 9 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around -6. Wind chill values as low as -30. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph after midnight. New snow accumulation of less than a half inch possible.
Thursday
Sunny and cold, with a high near 6. Breezy, with a west wind 21 to 23 mph, with gusts as high as 31 mph.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 0. Windy.
Friday
Snow likely. Mostly cloudy and cold, with a high near 8. Windy. Chance of precipitation is 60%.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 6. Very windy.
Saturday
Snow. Mostly cloudy, with a high near 12. Very windy.
Saturday Night
Snow likely. Mostly cloudy, with a low around 9. Windy.
Sunday
A chance of snow. Partly sunny, with a high near 12. Windy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 6. Windy.
Monday
A chance of snow. Partly sunny, with a high near 13. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Guanella Pass CO
 39.61°N 105.78°W (Elev. 13445 ft)
Last Update:
3:26 am MST Dec 2, 2025
Forecast Valid:
4am MST Dec 2, 2025-6pm MST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation