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

20°F

-7°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 29.95 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 3 Dec 6:35 am MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

  • Today

    Today: Snow. Temperature falling to around 1 by 4pm. Wind chill values as low as -15. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 4 °F⇓

    Snow

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -23. Breezy, with a south wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: -2 °F

    Snow Likely
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Patchy blowing snow before 4pm. Sunny and cold, with a high near 5. Wind chill values as low as -25. Breezy, with a west wind 21 to 24 mph, with gusts as high as 37 mph.

    High: 5 °F

    Patchy
    Blowing Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after 11pm. Partly cloudy, with a low around 0. Wind chill values as low as -27. Windy, with a west wind 30 to 33 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Chance Snow
    and Windy

  • Friday

    Friday: Snow likely. Mostly cloudy and cold, with a high near 8. Windy, with a west wind 20 to 29 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 8 °F

    Snow Likely
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 3. Very windy. Chance of precipitation is 60%.

    Low: 3 °F

    Snow Likely
    and Very
    Windy

  • Saturday

    Saturday: Snow. High near 10. Very windy. Chance of precipitation is 90%.

    High: 10 °F

    Snow and Very
    Windy

  • Saturday Night

    Saturday Night: Snow. Mostly cloudy, with a low around 7. Windy.

    Low: 7 °F

    Snow and
    Windy

  • Sunday

    Sunday: A chance of snow. Partly sunny and cold, with a high near 10. Windy.

    High: 10 °F

    Chance Snow
    and Windy

Detailed Forecast

Today
Snow. Temperature falling to around 1 by 4pm. Wind chill values as low as -15. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values as low as -23. Breezy, with a south wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Patchy blowing snow before 4pm. Sunny and cold, with a high near 5. Wind chill values as low as -25. Breezy, with a west wind 21 to 24 mph, with gusts as high as 37 mph.
Thursday Night
A 40 percent chance of snow after 11pm. Partly cloudy, with a low around 0. Wind chill values as low as -27. Windy, with a west wind 30 to 33 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy and cold, with a high near 8. Windy, with a west wind 20 to 29 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 3. Very windy. Chance of precipitation is 60%.
Saturday
Snow. High near 10. Very windy. Chance of precipitation is 90%.
Saturday Night
Snow. Mostly cloudy, with a low around 7. Windy.
Sunday
A chance of snow. Partly sunny and cold, with a high near 10. Windy.
Sunday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 6. Windy.
Monday
A chance of snow. Partly sunny, with a high near 13. Windy.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 7. Windy.
Tuesday
A slight chance of snow. Partly sunny, with a high near 18. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Guanella Pass CO
 39.61°N 105.78°W (Elev. 13445 ft)
Last Update:
3:25 am MST Dec 3, 2025
Forecast Valid:
7am MST Dec 3, 2025-6pm MST Dec 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation