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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

22°F

-6°C

Humidity 48%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 29 Dec 2:35 pm MST
Extended Forecast for

Arapahoe Peak CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 11. Wind chill values as low as -14. Blustery, with a west northwest wind around 18 mph, with gusts as high as 30 mph.

    High: 11 °F

    Sunny and
    Blustery

  • Tonight

    Tonight: Clear, with a low around 6. Wind chill values as low as -15. Windy, with a west northwest wind 21 to 26 mph, with gusts as high as 40 mph.

    Low: 6 °F

    Clear and
    Windy

  • Tuesday

    Tuesday: Sunny, with a high near 19. Wind chill values as low as -12. Windy, with a west northwest wind 18 to 26 mph, with gusts as high as 40 mph.

    High: 19 °F

    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Wind chill values as low as -7. Windy, with a west wind 22 to 29 mph, with gusts as high as 34 mph.

    Low: 13 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Windy, with a west wind 18 to 28 mph, with gusts as high as 33 mph.

    High: 23 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Windy.

    Low: 18 °F

    Mostly Cloudy
    and Windy

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am. Cloudy, with a high near 21. Windy. Chance of precipitation is 60%.

    High: 21 °F

    Snow Likely
    and Windy

  • Thursday Night

    Thursday Night: Snow. Cloudy, with a low around 17. Windy.

    Low: 17 °F

    Snow and
    Windy

  • Friday

    Friday: Snow. Mostly cloudy, with a high near 19. Windy.

    High: 19 °F

    Snow and
    Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 11. Wind chill values as low as -14. Blustery, with a west northwest wind around 18 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 6. Wind chill values as low as -15. Windy, with a west northwest wind 21 to 26 mph, with gusts as high as 40 mph.
Tuesday
Sunny, with a high near 19. Wind chill values as low as -12. Windy, with a west northwest wind 18 to 26 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly clear, with a low around 13. Wind chill values as low as -7. Windy, with a west wind 22 to 29 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 23. Windy, with a west wind 18 to 28 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Windy.
New Year's Day
Snow likely, mainly after 11am. Cloudy, with a high near 21. Windy. Chance of precipitation is 60%.
Thursday Night
Snow. Cloudy, with a low around 17. Windy.
Friday
Snow. Mostly cloudy, with a high near 19. Windy.
Friday Night
A chance of snow before 11pm. Mostly cloudy, with a low around 16. Windy.
Saturday
A slight chance of snow. Mostly sunny, with a high near 22. Windy.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 15. Windy.
Sunday
A chance of snow. Partly sunny, with a high near 20. 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:
2:01 pm MST Dec 29, 2025
Forecast Valid:
2pm MST Dec 29, 2025-6pm MST Jan 4, 2026
 
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