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.

Partly Cloudy and Breezy

31°F

-1°C

Humidity 64%
Wind Speed W 22 G 29 mph
Barometer 29.88 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 6 Dec 2:35 pm MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

Winter Storm Warning December 6, 02:59pm until December 6, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 6, 02:59pm until December 6, 11:00pm

    NOW until 11:00pm Sat

    Winter Storm Warning

  • This Afternoon

    High: 12 °F

    Snow Showers
    and Blowing
    Snow

  • Tonight

    Tonight: Snow showers, mainly before 2am. Widespread blowing snow, mainly after 3am. Low around 2. Wind chill values as low as -24. Very windy, with a west northwest wind 35 to 40 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Snow Showers
    and Blowing
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow before 11am. Widespread blowing snow, mainly before 11am. Mostly sunny and cold, with a high near 8. Wind chill values as low as -23. Windy, with a west northwest wind 29 to 34 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 50 mph. New snow accumulation of less than a half inch possible.

    High: 8 °F

    Chance Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -19. Very windy, with a west wind 25 to 30 mph increasing to 32 to 37 mph after midnight. Winds could gust as high as 40 mph.

    Low: 4 °F

    Slight Chance
    Snow and Very
    Windy

  • Monday

    Monday: A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 12. Windy, with a west wind 28 to 34 mph, with gusts as high as 41 mph.

    High: 12 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. Very windy.

    Low: 8 °F

    Partly Cloudy
    and Very
    Windy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 21. Very windy.

    High: 21 °F

    Slight Chance
    Snow and Very
    Windy

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 19. Very windy.

    Low: 19 °F

    Chance Snow
    and Very
    Windy

Detailed Forecast

This Afternoon
Snow showers. Widespread blowing snow. High near 12. Wind chill values as low as -20. Very windy, with a west northwest wind around 44 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow showers, mainly before 2am. Widespread blowing snow, mainly after 3am. Low around 2. Wind chill values as low as -24. Very windy, with a west northwest wind 35 to 40 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow before 11am. Widespread blowing snow, mainly before 11am. Mostly sunny and cold, with a high near 8. Wind chill values as low as -23. Windy, with a west northwest wind 29 to 34 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 50 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -19. Very windy, with a west wind 25 to 30 mph increasing to 32 to 37 mph after midnight. Winds could gust as high as 40 mph.
Monday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 12. Windy, with a west wind 28 to 34 mph, with gusts as high as 41 mph.
Monday Night
Partly cloudy, with a low around 8. Very windy.
Tuesday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 21. Very windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 19. Very windy.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 22. Very windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 17. Very windy.
Thursday
A chance of snow. Mostly cloudy, with a high near 19. Very windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16. Windy.
Friday
A slight chance of snow. Mostly sunny, with a high near 20. 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:
1:36 pm MST Dec 6, 2025
Forecast Valid:
2pm MST Dec 6, 2025-6pm MST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation