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.

Light Snow

27°F

-3°C

Humidity 77%
Wind Speed W 13 G 20 mph
Barometer 29.96 in
Dewpoint 21°F (-6°C)
Visibility 7.00 mi
Wind Chill16°F (-9°C)
Last update 5 Dec 1:35 pm MST
Extended Forecast for

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: A 50 percent chance of snow. Patchy blowing snow before 4pm, then patchy blowing snow after 5pm. Partly sunny, with a high near 18. Wind chill values as low as -4. Blustery, with a west northwest wind 18 to 20 mph, with gusts as high as 31 mph. Total daytime snow accumulation of less than one inch possible.

    High: 18 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow likely, mainly after 11pm. Widespread blowing snow, mainly after 2am. Mostly cloudy, with a temperature rising to around 18 by 4am. Wind chill values as low as -9. Windy, with a west wind 22 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Low: 11 °F⇑

    Snow Likely
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1pm. Temperature rising to near 20 by 11am, then falling to around 13 during the remainder of the day. Wind chill values as low as -8. Windy, with a west northwest wind 30 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 20 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Widespread blowing snow, mainly before 9pm. Mostly cloudy, with a low around 7. Wind chill values as low as -13. Windy, with a west wind 21 to 28 mph, with gusts as high as 49 mph. New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow
    and Blowing
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 11am. Patchy blowing snow before 4pm. Mostly sunny, with a high near 17. Windy, with a west wind 20 to 25 mph, with gusts as high as 43 mph.

    High: 17 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Windy.

    Low: 7 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 21. Windy.

    High: 21 °F

    Windy. Slight
    Chance Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12. Windy.

    Low: 12 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Very windy.

    High: 29 °F

    Mostly Sunny
    and Very
    Windy

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Patchy blowing snow before 4pm, then patchy blowing snow after 5pm. Partly sunny, with a high near 18. Wind chill values as low as -4. Blustery, with a west northwest wind 18 to 20 mph, with gusts as high as 31 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow likely, mainly after 11pm. Widespread blowing snow, mainly after 2am. Mostly cloudy, with a temperature rising to around 18 by 4am. Wind chill values as low as -9. Windy, with a west wind 22 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1pm. Temperature rising to near 20 by 11am, then falling to around 13 during the remainder of the day. Wind chill values as low as -8. Windy, with a west northwest wind 30 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
A 50 percent chance of snow. Widespread blowing snow, mainly before 9pm. Mostly cloudy, with a low around 7. Wind chill values as low as -13. Windy, with a west wind 21 to 28 mph, with gusts as high as 49 mph. New snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of snow before 11am. Patchy blowing snow before 4pm. Mostly sunny, with a high near 17. Windy, with a west wind 20 to 25 mph, with gusts as high as 43 mph.
Sunday Night
Partly cloudy, with a low around 7. Windy.
Monday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 21. Windy.
Monday Night
Partly cloudy, with a low around 12. Windy.
Tuesday
Mostly sunny, with a high near 29. Very windy.
Tuesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. Very windy.
Wednesday
A chance of snow. Partly sunny, with a high near 27. Very windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 29. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guanella Pass CO
 39.6°N 105.72°W (Elev. 11752 ft)
Last Update:
3:26 am MST Dec 5, 2025
Forecast Valid:
2pm MST Dec 5, 2025-6pm MST Dec 11, 2025
 
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