Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Light Snow

29°F

-2°C

Humidity 75%
Wind Speed S 6 mph
Barometer 29.88 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 27 Dec 8:55 pm MST
Extended Forecast for

LONG'S PEAK CO

Winter Weather Advisory December 27, 09:10pm until December 28, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 27, 09:10pm until December 28, 11:00am

    NOW until 11:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: -3 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 11am.  Widespread blowing snow, mainly between 8am and 11am. High near 7. Wind chill values as low as -29. Windy, with a west wind 23 to 33 mph, with gusts as high as 45 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 7 °F

    Snow and
    Blowing Snow
    then Slight
    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -2. Wind chill values as low as -25. Windy, with a west wind 23 to 25 mph, with gusts as high as 36 mph.

    Low: -2 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Sunny, with a high near 15. Wind chill values as low as -24. Breezy, with a west wind 14 to 23 mph, with gusts as high as 33 mph.

    High: 15 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 7. Windy, with a west wind 22 to 26 mph, with gusts as high as 37 mph.

    Low: 7 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 22. Windy.

    High: 22 °F

    Sunny and
    Windy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. Windy.

    Low: 12 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 25. Windy.

    High: 25 °F

    Sunny and
    Windy

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around -3. Wind chill values as low as -24. Breezy, with a west wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Sunday
Snow, mainly before 11am. Widespread blowing snow, mainly between 8am and 11am. High near 7. Wind chill values as low as -29. Windy, with a west wind 23 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly clear, with a low around -2. Wind chill values as low as -25. Windy, with a west wind 23 to 25 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 15. Wind chill values as low as -24. Breezy, with a west wind 14 to 23 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 7. Windy, with a west wind 22 to 26 mph, with gusts as high as 37 mph.
Tuesday
Sunny, with a high near 22. Windy.
Tuesday Night
Mostly clear, with a low around 12. Windy.
Wednesday
Sunny, with a high near 25. Windy.
Wednesday Night
Partly cloudy, with a low around 16. Windy.
New Year's Day
Partly sunny, with a high near 26. Windy.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 18. Windy.
Friday
A chance of snow. Mostly cloudy, with a high near 23. Windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 13. Windy.
Saturday
A chance of snow. Partly sunny, with a high near 17. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.24°N 105.62°W (Elev. 12064 ft)
5:06 pm MST Dec 27, 2025
9pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

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