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

43°F

6°C

Humidity 36%
Wind Speed SW 12 G 30 mph
Barometer 29.90 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 28 Nov 3:35 pm MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

Winter Weather Advisory November 28, 05:00pm until November 29, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Snow showers likely, mainly after 5pm. Patchy blowing snow after 5pm. Mostly cloudy, with a high near 22. Wind chill values as low as -3. Windy, with a west wind around 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 22 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow showers, mainly before 3am, then snow after 3am. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 4. Wind chill values as low as -15. Windy, with a west northwest wind 29 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    Low: 4 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow before 11am. Widespread blowing snow, mainly before 8am. Mostly sunny, with a high near 11. Wind chill values as low as -20. Windy, with a west northwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 45 mph. New snow accumulation of less than a half inch possible.

    High: 11 °F

    Chance Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Wind chill values as low as -13. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 12. West southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 12 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow. Low around 1. Blustery. Chance of precipitation is 90%.

    Low: 1 °F

    Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 3. Blustery.

    High: 3 °F

    Chance Snow
    and Blustery
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -2. Windy.

    Low: -2 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: A chance of snow after 11am. Partly sunny, with a high near 14. Windy.

    High: 14 °F

    Chance Snow
    and Windy

Detailed Forecast

This Afternoon
Snow showers likely, mainly after 5pm. Patchy blowing snow after 5pm. Mostly cloudy, with a high near 22. Wind chill values as low as -3. Windy, with a west wind around 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 3am, then snow after 3am. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 4. Wind chill values as low as -15. Windy, with a west northwest wind 29 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Saturday
A 50 percent chance of snow before 11am. Widespread blowing snow, mainly before 8am. Mostly sunny, with a high near 11. Wind chill values as low as -20. Windy, with a west northwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 45 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 3. Wind chill values as low as -13. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 20 mph.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 12. West southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Sunday Night
Snow. Low around 1. Blustery. Chance of precipitation is 90%.
Monday
A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 3. Blustery.
Monday Night
Partly cloudy, with a low around -2. Windy.
Tuesday
A chance of snow after 11am. Partly sunny, with a high near 14. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 3. Breezy.
Wednesday
Snow likely. Mostly cloudy and cold, with a high near 8.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 2. Breezy.
Thursday
A chance of snow. Partly sunny and cold, with a high near 9. 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:
2:21 pm MST Nov 28, 2025
Forecast Valid:
3pm MST Nov 28, 2025-6pm MST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation