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.

Fair

31°F

-1°C

Humidity 55%
Wind Speed SE 5 mph
Barometer 30.35 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 15 Dec 4:55 pm MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

High Wind Watch December 17, 11:00am until December 18, 12:00am
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly clear, with a low around 15. Wind chill values as low as -4. Blustery, with a west northwest wind 15 to 24 mph, with gusts as high as 37 mph.

    Low: 15 °F

    Mostly Clear
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. Wind chill values as low as -3. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 23 °F

    Mostly Sunny
    and Blustery

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. Wind chill values as low as -6. Windy, with a west wind 20 to 29 mph.

    Low: 14 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: A 40 percent chance of snow after 11am. Partly sunny, with a high near 22. Wind chill values as low as -6. Very windy, with a west wind 31 to 36 mph increasing to 43 to 48 mph in the afternoon. Winds could gust as high as 70 mph. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm. Low around 5. Very windy, with a west wind 45 to 49 mph, with gusts as high as 70 mph. Chance of precipitation is 80%.

    Low: 5 °F

    Very Windy.
    Snow then
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Mostly sunny, with a high near 20. Very windy.

    High: 20 °F

    Slight Chance
    Snow and Very
    Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 15. Strong and damaging winds.

    Low: 15 °F

    Slight Chance
    Snow and
    Damaging
    Winds

  • Friday

    Friday: Mostly sunny, with a high near 26. Very windy.

    High: 26 °F

    Mostly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. Very windy.

    Low: 20 °F

    Chance Snow
    and Very
    Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 15. Wind chill values as low as -4. Blustery, with a west northwest wind 15 to 24 mph, with gusts as high as 37 mph.
Tuesday
Mostly sunny, with a high near 23. Wind chill values as low as -3. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly clear, with a low around 14. Wind chill values as low as -6. Windy, with a west wind 20 to 29 mph.
Wednesday
A 40 percent chance of snow after 11am. Partly sunny, with a high near 22. Wind chill values as low as -6. Very windy, with a west wind 31 to 36 mph increasing to 43 to 48 mph in the afternoon. Winds could gust as high as 70 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, mainly before 11pm. Low around 5. Very windy, with a west wind 45 to 49 mph, with gusts as high as 70 mph. Chance of precipitation is 80%.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 20. Very windy.
Thursday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 15. Strong and damaging winds.
Friday
Mostly sunny, with a high near 26. Very windy.
Friday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. Very windy.
Saturday
A chance of snow. Partly sunny, with a high near 22. Windy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 16. Windy.
Sunday
A chance of snow. Partly sunny, with a high near 23. Windy.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 18. Windy.
Monday
A slight chance of snow. Mostly sunny, with a high near 24. 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:
2:41 pm MST Dec 15, 2025
Forecast Valid:
5pm MST Dec 15, 2025-6pm MST Dec 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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