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 >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Light Snow

27°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 24°F (-4°C)
Visibility 7.00 mi
Last update 27 Dec 10:55 pm MST
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Snow.  Low around 8. Wind chill values as low as zero. West wind 7 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before 11am.  High near 16. Wind chill values as low as -2. West wind 7 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 16 °F

    Snow then
    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -3. Wind chill values as low as -10. West southwest wind around 5 mph becoming calm  in the evening.

    Low: -3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32. Wind chill values as low as -3. Calm wind becoming west around 5 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 6. Light west wind.

    Low: 6 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Tuesday Night

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

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Low around 8. Wind chill values as low as zero. West wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
Snow, mainly before 11am. High near 16. Wind chill values as low as -2. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly clear, with a low around -3. Wind chill values as low as -10. West southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 32. Wind chill values as low as -3. Calm wind becoming west around 5 mph.
Monday Night
Clear, with a low around 6. Light west wind.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 16.
New Year's Day
Partly sunny, with a high near 45.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 19.
Friday
A chance of snow. Partly sunny, with a high near 42.
Friday Night
A chance of snow. Mostly cloudy, with a low around 17.
Saturday
A chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
5:06 pm MST Dec 27, 2025
11pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

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