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

20°F

-7°C

Humidity 69%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 15 Dec 9:55 pm MST
Extended Forecast for

Arapahoe Peak 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: Increasing clouds, with a low around 16. Wind chill values as low as -4. Windy, with a west northwest wind 22 to 29 mph, with gusts as high as 44 mph.

    Low: 16 °F

    Increasing
    Clouds and
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Wind chill values as low as -3. Windy, with a west northwest wind 25 to 29 mph, with gusts as high as 44 mph.

    High: 22 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. Wind chill values as low as -4. Windy, with a west wind 25 to 33 mph, with gusts as high as 41 mph.

    Low: 16 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: A 50 percent chance of snow after 11am. Partly sunny, with a high near 22. Wind chill values as low as -5. Strong and damaging winds, with a west wind 38 to 43 mph increasing to 50 to 55 mph in the afternoon. Winds could gust as high as 75 mph. New snow accumulation of around an inch possible.

    High: 22 °F

    Chance Snow
    and Damaging
    Winds

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm. The snow could be heavy at times. Low around 6. Very windy, with a west wind 44 to 47 mph, with gusts as high as 70 mph. Chance of precipitation is 80%.

    Low: 6 °F

    Very Windy.
    Heavy Snow
    then Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow. Partly sunny, with a high near 19. Very windy.

    High: 19 °F

    Chance Snow
    and Very
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17. Strong and damaging winds.

    Low: 17 °F

    Chance Snow
    and Damaging
    Winds

  • Friday

    Friday: Mostly sunny, with a high near 26. Strong and damaging winds.

    High: 26 °F

    Mostly Sunny
    and Damaging
    Winds

  • Friday Night

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

    Low: 20 °F

    Chance Snow
    and Very
    Windy

Detailed Forecast

Tonight
Increasing clouds, with a low around 16. Wind chill values as low as -4. Windy, with a west northwest wind 22 to 29 mph, with gusts as high as 44 mph.
Tuesday
Mostly sunny, with a high near 22. Wind chill values as low as -3. Windy, with a west northwest wind 25 to 29 mph, with gusts as high as 44 mph.
Tuesday Night
Partly cloudy, with a low around 16. Wind chill values as low as -4. Windy, with a west wind 25 to 33 mph, with gusts as high as 41 mph.
Wednesday
A 50 percent chance of snow after 11am. Partly sunny, with a high near 22. Wind chill values as low as -5. Strong and damaging winds, with a west wind 38 to 43 mph increasing to 50 to 55 mph in the afternoon. Winds could gust as high as 75 mph. New snow accumulation of around an inch possible.
Wednesday Night
Snow, mainly before 11pm. The snow could be heavy at times. Low around 6. Very windy, with a west wind 44 to 47 mph, with gusts as high as 70 mph. Chance of precipitation is 80%.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 19. Very windy.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17. Strong and damaging winds.
Friday
Mostly sunny, with a high near 26. Strong and damaging winds.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Very windy.
Saturday
Snow likely. Mostly cloudy, with a high near 23. Very windy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 18. Windy.
Sunday
A chance of snow. Partly sunny, with a high near 22. Windy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18. Windy.
Monday
A slight chance of snow. Mostly sunny, with a high near 23. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
2:41 pm MST Dec 15, 2025
Forecast Valid:
10pm MST Dec 15, 2025-6pm MST Dec 22, 2025
 
Forecast Discussion
 
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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