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

10°F

-12°C

Humidity 85%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 4 Dec 12:15 am MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

  • Overnight

    Overnight: Partly cloudy, with a low around -2. Wind chill values as low as -20. West wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: -2 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy blowing snow. Sunny and cold, with a high near 8. Wind chill values as low as -20. Breezy, with a west wind 16 to 22 mph, with gusts as high as 36 mph.

    High: 8 °F

    Patchy
    Blowing Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm. Widespread blowing snow, mainly after 8pm. Partly cloudy, with a low around 3. Wind chill values as low as -23. Windy, with a west wind 31 to 34 mph, with gusts as high as 38 mph.

    Low: 3 °F

    Slight Chance
    Snow and
    Blowing Snow

  • Friday

    Friday: A 50 percent chance of snow. Areas of blowing snow. Partly sunny and cold, with a high near 10. Wind chill values as low as -20. Windy, with a west wind 23 to 31 mph, with gusts as high as 47 mph. New snow accumulation of less than a half inch possible.

    High: 10 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Widespread blowing snow, mainly after 11pm. Mostly cloudy, with a low around 6. Very windy, with a west wind 26 to 31 mph increasing to 33 to 38 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 70%.

    Low: 6 °F

    Snow Likely
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. Widespread blowing snow, mainly before 3pm. High near 8. Windy. Chance of precipitation is 90%.

    High: 8 °F

    Snow and
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow likely. Widespread blowing snow, mainly after 7pm. Mostly cloudy, with a low around 5. Windy. Chance of precipitation is 70%.

    Low: 5 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday

    Sunday: A chance of snow. Partly sunny and cold, with a high near 7. Windy.

    High: 7 °F

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3. Very windy.

    Low: 3 °F

    Partly Cloudy
    and Very
    Windy

Detailed Forecast

Overnight
Partly cloudy, with a low around -2. Wind chill values as low as -20. West wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday
Patchy blowing snow. Sunny and cold, with a high near 8. Wind chill values as low as -20. Breezy, with a west wind 16 to 22 mph, with gusts as high as 36 mph.
Thursday Night
A 20 percent chance of snow after 11pm. Widespread blowing snow, mainly after 8pm. Partly cloudy, with a low around 3. Wind chill values as low as -23. Windy, with a west wind 31 to 34 mph, with gusts as high as 38 mph.
Friday
A 50 percent chance of snow. Areas of blowing snow. Partly sunny and cold, with a high near 10. Wind chill values as low as -20. Windy, with a west wind 23 to 31 mph, with gusts as high as 47 mph. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after 11pm. Widespread blowing snow, mainly after 11pm. Mostly cloudy, with a low around 6. Very windy, with a west wind 26 to 31 mph increasing to 33 to 38 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 70%.
Saturday
Snow. Widespread blowing snow, mainly before 3pm. High near 8. Windy. Chance of precipitation is 90%.
Saturday Night
Snow likely. Widespread blowing snow, mainly after 7pm. Mostly cloudy, with a low around 5. Windy. Chance of precipitation is 70%.
Sunday
A chance of snow. Partly sunny and cold, with a high near 7. Windy.
Sunday Night
Partly cloudy, with a low around 3. Very windy.
Monday
A chance of snow. Mostly sunny, with a high near 13. Windy.
Monday Night
Partly cloudy, with a low around 8. Very windy.
Tuesday
A slight chance of snow. Partly sunny, with a high near 22. Very windy.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 15. Very windy.
Wednesday
A chance of snow. Partly sunny, with a high near 23. 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:
8:51 pm MST Dec 3, 2025
Forecast Valid:
12am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

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Chance of Precipitation