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

27°F

-3°C

Humidity 73%
Wind Speed W 12 G 18 mph
Barometer 29.97 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 5 Dec 12:35 pm MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

Winter Storm Warning December 5, 11:00pm until December 6, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Snow likely, mainly before 4pm. Patchy blowing snow. Mostly cloudy and cold, with a temperature falling to around 4 by 5pm. Wind chill values as low as -18. Breezy, with a west northwest wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 8 °F⇓

    Snow Likely
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Temperature rising to around 12 by 5am. Wind chill values as low as -19. Very windy, with a west wind 28 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    Low: 5 °F⇑

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow. Temperature falling to around 7 by 3pm. Wind chill values as low as -18. Very windy, with a west wind 33 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 12 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Widespread blowing snow. Mostly cloudy, with a low around 2. Wind chill values as low as -25. Very windy, with a west wind 32 to 36 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 11am. Areas of blowing snow. Mostly sunny and cold, with a high near 7. Windy, with a west wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 7 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 1. Very windy.

    Low: 1 °F

    Slight Chance
    Snow and Very
    Windy

  • Monday

    Monday: A 40 percent chance of snow, mainly before 11am. Partly sunny and cold, with a high near 10. Windy.

    High: 10 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Very windy.

    Low: 6 °F

    Partly Cloudy
    and Very
    Windy

  • Tuesday

    Tuesday: A slight chance of snow after 11am. Partly sunny, with a high near 18. Very windy.

    High: 18 °F

    Slight Chance
    Snow and Very
    Windy

Detailed Forecast

This Afternoon
Snow likely, mainly before 4pm. Patchy blowing snow. Mostly cloudy and cold, with a temperature falling to around 4 by 5pm. Wind chill values as low as -18. Breezy, with a west northwest wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Temperature rising to around 12 by 5am. Wind chill values as low as -19. Very windy, with a west wind 28 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow. Temperature falling to around 7 by 3pm. Wind chill values as low as -18. Very windy, with a west wind 33 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow likely, mainly before 11pm. Widespread blowing snow. Mostly cloudy, with a low around 2. Wind chill values as low as -25. Very windy, with a west wind 32 to 36 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
A 40 percent chance of snow before 11am. Areas of blowing snow. Mostly sunny and cold, with a high near 7. Windy, with a west wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 41 mph.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 1. Very windy.
Monday
A 40 percent chance of snow, mainly before 11am. Partly sunny and cold, with a high near 10. Windy.
Monday Night
Partly cloudy, with a low around 6. Very windy.
Tuesday
A slight chance of snow after 11am. Partly sunny, with a high near 18. Very windy.
Tuesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 12. Very windy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 19. Very windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 15. Very windy.
Thursday
A chance of snow. Partly sunny, with a high near 18. Very 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 5, 2025
Forecast Valid:
12pm MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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