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

15°F

-9°C

Humidity 58%
Wind Speed Calm
Barometer 30.55 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 29 Dec 12:35 pm MST
Extended Forecast for

5 Miles SW LONG'S PEAK CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 17. Wind chill values as low as -5. Breezy, with a west wind around 15 mph, with gusts as high as 21 mph.

    High: 17 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 7. Wind chill values as low as -14. Breezy, with a west wind 17 to 23 mph, with gusts as high as 30 mph.

    Low: 7 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 24. Wind chill values as low as -10. Breezy, with a west wind 15 to 22 mph, with gusts as high as 30 mph.

    High: 24 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. Wind chill values as low as -5. Breezy, with a west wind 16 to 24 mph, with gusts as high as 32 mph.

    Low: 14 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27. Breezy, with a west wind 18 to 23 mph, with gusts as high as 32 mph.

    High: 27 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Breezy.

    Low: 19 °F

    Mostly Cloudy
    and Breezy

  • New Year's Day

    New Year's Day: A 40 percent chance of snow, mainly after 11am. Cloudy, with a high near 24. Breezy.

    High: 24 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A chance of snow. Cloudy, with a low around 19. Breezy.

    Low: 19 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 21. Breezy.

    High: 21 °F

    Snow Likely
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 17. Wind chill values as low as -5. Breezy, with a west wind around 15 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 7. Wind chill values as low as -14. Breezy, with a west wind 17 to 23 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 24. Wind chill values as low as -10. Breezy, with a west wind 15 to 22 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 14. Wind chill values as low as -5. Breezy, with a west wind 16 to 24 mph, with gusts as high as 32 mph.
Wednesday
Mostly sunny, with a high near 27. Breezy, with a west wind 18 to 23 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Breezy.
New Year's Day
A 40 percent chance of snow, mainly after 11am. Cloudy, with a high near 24. Breezy.
Thursday Night
A chance of snow. Cloudy, with a low around 19. Breezy.
Friday
Snow likely. Mostly cloudy, with a high near 21. Breezy.
Friday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17. Windy.
Saturday
A chance of snow. Partly sunny, with a high near 23. Windy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 15. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 21. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW LONG'S PEAK CO
 40.2°N 105.67°W (Elev. 11558 ft)
Last Update:
3:56 am MST Dec 29, 2025
Forecast Valid:
12pm MST Dec 29, 2025-6pm MST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation