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.

Mostly Cloudy

26°F

-3°C

Humidity 43%
Wind Speed SW 8 mph
Barometer 30.17 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 29 Nov 5:15 pm MST
Extended Forecast for

3 Miles W Guanella Pass CO

Winter Weather Advisory November 30, 11:00am until December 1, 05:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 12 by 5am. Wind chill values as low as -10. Blustery, with a west wind 13 to 18 mph, with gusts as high as 30 mph.

    Low: 9 °F⇑

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 17. Wind chill values as low as -4. West southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 17 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow. Low around 4. Wind chill values as low as -15. Blustery, with a southwest wind 9 to 17 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 4 °F

    Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 10. Wind chill values as low as -15. Blustery, with a west northwest wind around 18 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 10 °F

    Blustery.
    Chance Snow
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Windy, with a west wind 20 to 29 mph, with gusts as high as 37 mph.

    Low: 3 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 20. Windy.

    High: 20 °F

    Slight Chance
    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 7. Breezy. Chance of precipitation is 60%.

    Low: 7 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: Snow. Cloudy and cold, with a high near 10.

    High: 10 °F

    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 3. Breezy.

    Low: 3 °F

    Chance Snow
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 12 by 5am. Wind chill values as low as -10. Blustery, with a west wind 13 to 18 mph, with gusts as high as 30 mph.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 17. Wind chill values as low as -4. West southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. Low around 4. Wind chill values as low as -15. Blustery, with a southwest wind 9 to 17 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 10. Wind chill values as low as -15. Blustery, with a west northwest wind around 18 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 3. Windy, with a west wind 20 to 29 mph, with gusts as high as 37 mph.
Tuesday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 20. Windy.
Tuesday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 7. Breezy. Chance of precipitation is 60%.
Wednesday
Snow. Cloudy and cold, with a high near 10.
Wednesday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 3. Breezy.
Thursday
A slight chance of snow. Mostly sunny, with a high near 15. Breezy.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 8. Windy.
Friday
A chance of snow. Partly sunny, with a high near 16. Windy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 12. Very windy.
Saturday
A chance of snow. Partly sunny, with a high near 20. Windy.
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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:
2:11 pm MST Nov 29, 2025
Forecast Valid:
5pm MST Nov 29, 2025-6pm MST Dec 6, 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