National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

23°F

-5°C

Humidity 68%
Wind Speed E 3 mph
Barometer 30.49 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 14 Dec 9:35 pm MST
Extended Forecast for

Guanella Pass CO

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 39. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 39 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 37 mph.

    Low: 18 °F

    Mostly Clear
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 37 mph.

    High: 33 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Breezy, with a west wind 17 to 21 mph, with gusts as high as 37 mph.

    Low: 18 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 32. Very windy.

    High: 32 °F

    Slight Chance
    Snow and Very
    Windy

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 11. Very windy. Chance of precipitation is 60%.

    Low: 11 °F

    Snow Likely
    and Very
    Windy

  • Thursday

    Thursday: A slight chance of snow before 11am. Mostly sunny, with a high near 25. Windy.

    High: 25 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around 21. Very windy.

    Low: 21 °F

    Very Windy.
    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 39. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 18. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 37 mph.
Tuesday
Mostly sunny, with a high near 33. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly clear, with a low around 18. Breezy, with a west wind 17 to 21 mph, with gusts as high as 37 mph.
Wednesday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 32. Very windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 11. Very windy. Chance of precipitation is 60%.
Thursday
A slight chance of snow before 11am. Mostly sunny, with a high near 25. Windy.
Thursday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 21. Very windy.
Friday
Sunny, with a high near 35. Very windy.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 24. Windy.
Saturday
A chance of snow. Partly sunny, with a high near 29. Windy.
Saturday Night
A chance of snow. Partly cloudy, with a low around 18. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 30. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guanella Pass CO
 39.62°N 105.73°W (Elev. 12398 ft)
Last Update:
2:11 pm MST Dec 14, 2025
Forecast Valid:
9pm MST Dec 14, 2025-6pm MST Dec 21, 2025
 
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Additional Resources

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