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.

Overcast

30°F

-1°C

Humidity 70%
Wind Speed W 5 mph
Barometer 29.88 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 27 Dec 8:35 pm MST
Extended Forecast for

5 Miles ESE Grand Lake CO

Winter Weather Advisory December 27, 08:53pm until December 28, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 27, 08:53pm until December 28, 11:00am

    NOW until 11:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: 1 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow, mainly before 11am.  Patchy blowing snow between 10am and 11am. Steady temperature around 5. Wind chill values as low as -19. Breezy, with a west wind 15 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 5 °F

    Snow and
    Patchy
    Blowing Snow
    then Chance
    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -2. Wind chill values as low as -19. Breezy, with a west southwest wind 11 to 15 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 17. Wind chill values as low as -19. West wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 17 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. West wind around 14 mph, with gusts as high as 17 mph.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Patchy blowing snow. Low around 1. Wind chill values as low as -16. Breezy, with a west wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
Sunday
Snow, mainly before 11am. Patchy blowing snow between 10am and 11am. Steady temperature around 5. Wind chill values as low as -19. Breezy, with a west wind 15 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Sunday Night
Mostly clear, with a low around -2. Wind chill values as low as -19. Breezy, with a west southwest wind 11 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 17. Wind chill values as low as -19. West wind 7 to 10 mph, with gusts as high as 16 mph.
Monday Night
Mostly clear, with a low around 9. West wind around 14 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 17. Breezy.
New Year's Day
Partly sunny, with a high near 30.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Mostly cloudy, with a high near 26. Breezy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 15. Breezy.
Saturday
A chance of snow. Mostly cloudy, with a high near 20. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Grand Lake CO
 40.21°N 105.73°W (Elev. 11001 ft)
5:06 pm MST Dec 27, 2025
8pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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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