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

29°F

-2°C

Humidity 58%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 7 Dec 3:55 pm MST
Extended Forecast for

3 Miles W Guanella Pass CO

High Wind Watch December 9, 12:00am until December 10, 12:00am
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: A 40 percent chance of snow after 11pm. Partly cloudy, with a temperature rising to around 11 by 4am. Wind chill values as low as -17. Windy, with a west northwest wind 29 to 34 mph, with gusts as high as 45 mph. Little or no snow accumulation expected.

    Low: 8 °F⇑

    Chance Snow
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 17. Wind chill values as low as -11. Windy, with a west northwest wind 28 to 31 mph, with gusts as high as 44 mph.

    High: 17 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. Wind chill values as low as -12. Very windy, with a west wind 33 to 38 mph increasing to 44 to 49 mph after midnight. Winds could gust as high as 70 mph.

    Low: 11 °F

    Partly Cloudy
    and Very
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Wind chill values as low as -7. Very windy, with a west wind 43 to 49 mph, with gusts as high as 70 mph.

    High: 25 °F

    Mostly Sunny
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Very windy, with a west wind 43 to 48 mph decreasing to 34 to 39 mph after midnight. Winds could gust as high as 70 mph.

    Low: 21 °F

    Chance Snow
    and Very
    Windy

  • Wednesday

    Wednesday: A 40 percent chance of snow. Partly sunny, with a high near 27. Very windy.

    High: 27 °F

    Chance Snow
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. Strong and damaging winds.

    Low: 24 °F

    Chance Snow
    and Damaging
    Winds

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 25. Very windy.

    High: 25 °F

    Chance Snow
    and Very
    Windy

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 11pm. Partly cloudy, with a low around 20. Very windy.

    Low: 20 °F

    Chance Snow
    and Very
    Windy

Detailed Forecast

Tonight
A 40 percent chance of snow after 11pm. Partly cloudy, with a temperature rising to around 11 by 4am. Wind chill values as low as -17. Windy, with a west northwest wind 29 to 34 mph, with gusts as high as 45 mph. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 17. Wind chill values as low as -11. Windy, with a west northwest wind 28 to 31 mph, with gusts as high as 44 mph.
Monday Night
Partly cloudy, with a low around 11. Wind chill values as low as -12. Very windy, with a west wind 33 to 38 mph increasing to 44 to 49 mph after midnight. Winds could gust as high as 70 mph.
Tuesday
Mostly sunny, with a high near 25. Wind chill values as low as -7. Very windy, with a west wind 43 to 49 mph, with gusts as high as 70 mph.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Very windy, with a west wind 43 to 48 mph decreasing to 34 to 39 mph after midnight. Winds could gust as high as 70 mph.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 27. Very windy.
Wednesday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. Strong and damaging winds.
Thursday
A chance of snow. Partly sunny, with a high near 25. Very windy.
Thursday Night
A chance of snow, mainly before 11pm. Partly cloudy, with a low around 20. Very windy.
Friday
A slight chance of snow. Mostly sunny, with a high near 26. Windy.
Friday Night
Partly cloudy, with a low around 16. Windy.
Saturday
Sunny, with a high near 27. Windy.
Saturday Night
Mostly clear, with a low around 14. Windy.
Sunday
Sunny, with a high near 28. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Guanella Pass CO
 39.59°N 105.75°W (Elev. 13012 ft)
Last Update:
1:27 pm MST Dec 7, 2025
Forecast Valid:
4pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation