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.

Mostly Cloudy

28°F

-2°C

Humidity 72%
Wind Speed W 12 G 18 mph
Barometer 29.97 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 6 Dec 5:15 pm MST
Extended Forecast for

Arapahoe Peak CO

Winter Storm Warning December 6, 05:30pm until December 6, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 6, 05:30pm until December 6, 11:00pm

    NOW until 11:00pm Sat

    Winter Storm Warning

  • This Afternoon

    High: 7 °F

    Snow Showers
    Likely and
    Blowing Snow

  • Tonight

    Tonight: Snow showers. Widespread blowing snow. Low around 3. Wind chill values as low as -21. Very windy, with a west wind 40 to 45 mph decreasing to 32 to 37 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 3 °F

    Snow Showers
    and Blowing
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow before 11am. Widespread blowing snow. Partly sunny and cold, with a steady temperature around 4. Wind chill values as low as -23. Very windy, with a west wind 30 to 38 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.

    High: 4 °F

    Chance Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 6. Wind chill values as low as -19. Very windy, with a west wind 31 to 37 mph, with gusts as high as 47 mph.

    Low: 6 °F

    Slight Chance
    Snow and Very
    Windy

  • Monday

    Monday: A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 11. Very windy, with a west wind 31 to 37 mph, with gusts as high as 46 mph.

    High: 11 °F

    Chance Snow
    and Very
    Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Very windy.

    Low: 10 °F

    Mostly Cloudy
    and Very
    Windy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 21. Very windy.

    High: 21 °F

    Chance Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 18. Very windy.

    Low: 18 °F

    Chance Snow
    and Very
    Windy

Detailed Forecast

This Afternoon
Snow showers likely. Widespread blowing snow. Mostly cloudy and cold, with a steady temperature around 7. Wind chill values as low as -20. Very windy, with a west northwest wind around 44 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow showers. Widespread blowing snow. Low around 3. Wind chill values as low as -21. Very windy, with a west wind 40 to 45 mph decreasing to 32 to 37 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
A 30 percent chance of snow before 11am. Widespread blowing snow. Partly sunny and cold, with a steady temperature around 4. Wind chill values as low as -23. Very windy, with a west wind 30 to 38 mph, with gusts as high as 55 mph. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 6. Wind chill values as low as -19. Very windy, with a west wind 31 to 37 mph, with gusts as high as 47 mph.
Monday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 11. Very windy, with a west wind 31 to 37 mph, with gusts as high as 46 mph.
Monday Night
Mostly cloudy, with a low around 10. Very windy.
Tuesday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 21. Very windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18. Very windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 23. Very windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 16. Very windy.
Thursday
Snow likely. Mostly cloudy, with a high near 19. Very windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 15. Windy.
Friday
A chance of snow. Partly sunny, with a high near 18. Windy.
Friday Night
Partly cloudy, with a low around 13. Windy.
Saturday
Mostly sunny, with a high near 19. 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:
1:36 pm MST Dec 6, 2025
Forecast Valid:
5pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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