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.

Light Snow

23°F

-5°C

Humidity 92%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 21°F (-6°C)
Visibility 2.00 mi
Last update 2 Dec 9:55 pm MST
Extended Forecast for

Arapahoe Peak CO

  • Tonight

    Tonight: Snow. Low around 4. Wind chill values as low as -3. West wind 8 to 11 mph becoming south southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 4 °F

    Snow

  • Wednesday

    Wednesday: Snow. Temperature falling to around 0 by 4pm. Wind chill values as low as -15. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 8 °F⇓

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm. Patchy blowing snow after 4am. Partly cloudy, with a low around -1. Wind chill values as low as -25. Breezy, with a south wind 8 to 13 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.

    Low: -1 °F

    Chance Snow
    then Slight
    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 5. Wind chill values as low as -26. Windy, with a west wind 26 to 31 mph, with gusts as high as 47 mph.

    High: 5 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 2. Windy, with a west wind 32 to 34 mph, with gusts as high as 50 mph.

    Low: 2 °F

    Chance Snow
    and Windy

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 13. Windy. Chance of precipitation is 60%.

    High: 13 °F

    Snow Likely
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 6. Strong and damaging winds. Chance of precipitation is 70%.

    Low: 6 °F

    Snow Likely
    and Damaging
    Winds

  • Saturday

    Saturday: Snow. Mostly cloudy, with a high near 13. Very windy.

    High: 13 °F

    Snow and Very
    Windy

  • Saturday Night

    Saturday Night: Snow. Mostly cloudy, with a low around 8. Very windy.

    Low: 8 °F

    Snow and Very
    Windy

Detailed Forecast

Tonight
Snow. Low around 4. Wind chill values as low as -3. West wind 8 to 11 mph becoming south southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. Temperature falling to around 0 by 4pm. Wind chill values as low as -15. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Patchy blowing snow after 4am. Partly cloudy, with a low around -1. Wind chill values as low as -25. Breezy, with a south wind 8 to 13 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow. Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 5. Wind chill values as low as -26. Windy, with a west wind 26 to 31 mph, with gusts as high as 47 mph.
Thursday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 2. Windy, with a west wind 32 to 34 mph, with gusts as high as 50 mph.
Friday
Snow likely. Mostly cloudy, with a high near 13. Windy. Chance of precipitation is 60%.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 6. Strong and damaging winds. Chance of precipitation is 70%.
Saturday
Snow. Mostly cloudy, with a high near 13. Very windy.
Saturday Night
Snow. Mostly cloudy, with a low around 8. Very windy.
Sunday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 11. Very windy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Very windy.
Monday
A chance of snow. Partly sunny, with a high near 11. Very windy.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 8. Very windy.
Tuesday
A chance of snow showers. Partly sunny, with a high near 16. Very windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
2:21 pm MST Dec 2, 2025
Forecast Valid:
10pm MST Dec 2, 2025-6pm MST Dec 9, 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