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.

Fair

13°F

-11°C

Humidity 80%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 1 Dec 7:55 pm MST
Extended Forecast for

3 Miles NW Guanella Pass CO

  • Tonight

    Tonight: Mostly clear, with a low around 5. Wind chill values as low as -15. Windy, with a west northwest wind 23 to 26 mph, with gusts as high as 40 mph.

    Low: 5 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Snow likely, mainly after 4pm. Increasing clouds, with a high near 22. Wind chill values as low as -14. Windy, with a west wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow
    and Windy
    then Snow
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow. Low around 6. Wind chill values as low as -6. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 6 °F

    Snow

  • Wednesday

    Wednesday: Snow. High near 9. Wind chill values as low as -8. West southwest wind 10 to 14 mph becoming south southeast in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 9 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around -5. Breezy, with a west wind 9 to 17 mph, with gusts as high as 23 mph.

    Low: -5 °F

    Chance Snow
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 13. Breezy.

    High: 13 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 3. Windy.

    Low: 3 °F

    Slight Chance
    Snow and
    Windy

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 16. Windy.

    High: 16 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 10. Very windy.

    Low: 10 °F

    Chance Snow
    and Very
    Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 5. Wind chill values as low as -15. Windy, with a west northwest wind 23 to 26 mph, with gusts as high as 40 mph.
Tuesday
Snow likely, mainly after 4pm. Increasing clouds, with a high near 22. Wind chill values as low as -14. Windy, with a west wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow. Low around 6. Wind chill values as low as -6. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. High near 9. Wind chill values as low as -8. West southwest wind 10 to 14 mph becoming south southeast in the morning. Winds could gust as high as 21 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 -5. Breezy, with a west wind 9 to 17 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 13. Breezy.
Thursday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 3. Windy.
Friday
A chance of snow. Partly sunny, with a high near 16. Windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10. Very windy.
Saturday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 21. Windy.
Saturday Night
Snow likely. Mostly cloudy, with a low around 12. Windy.
Sunday
A chance of snow. Partly sunny, with a high near 20. Windy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 9. Windy.
Monday
A chance of snow. Mostly sunny, with a high near 19. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Guanella Pass CO
 39.62°N 105.75°W (Elev. 12615 ft)
Last Update:
2:16 pm MST Dec 1, 2025
Forecast Valid:
8pm MST Dec 1, 2025-6pm MST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation