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.

Partly Cloudy

37°F

3°C

Humidity 55%
Wind Speed W 15 G 22 mph
Barometer 29.89 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Dec 7:15 am MST
Extended Forecast for

5 Miles NW LONG'S PEAK CO

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

    Today: Snow likely. The snow could be heavy at times.  Areas of blowing snow. Cloudy, with a high near 22. Windy, with a west southwest wind 23 to 29 mph, with gusts as high as 45 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 3 to 7 inches possible.

    High: 22 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Areas of blowing snow. Low around 1. Wind chill values as low as -16. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 1 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Sunday

    Sunday: Snow, mainly before 11am.  Patchy blowing snow before 11am. Temperature falling to around 0 by 10am. Wind chill values as low as -24. Windy, with a west wind 23 to 28 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 2 °F

    Snow and
    Patchy
    Blowing Snow
    then Chance
    Snow and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -2. Wind chill values as low as -25. Breezy, with a west wind around 23 mph, with gusts as high as 32 mph.

    Low: -2 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 15. Breezy, with a west wind 11 to 20 mph, with gusts as high as 26 mph.

    High: 15 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. Breezy.

    Low: 8 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 24. Breezy.

    High: 24 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

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

    Low: 14 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Breezy.

    High: 25 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Snow likely. The snow could be heavy at times. Areas of blowing snow. Cloudy, with a high near 22. Windy, with a west southwest wind 23 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow. The snow could be heavy at times. Areas of blowing snow. Low around 1. Wind chill values as low as -16. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Sunday
Snow, mainly before 11am. Patchy blowing snow before 11am. Temperature falling to around 0 by 10am. Wind chill values as low as -24. Windy, with a west wind 23 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Mostly clear, with a low around -2. Wind chill values as low as -25. Breezy, with a west wind around 23 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 15. Breezy, with a west wind 11 to 20 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 8. Breezy.
Tuesday
Sunny, with a high near 24. Breezy.
Tuesday Night
Mostly clear, with a low around 14. Breezy.
Wednesday
Mostly sunny, with a high near 25. Breezy.
Wednesday Night
Mostly cloudy, with a low around 16. Breezy.
New Year's Day
A slight chance of snow. Partly sunny, with a high near 28. Breezy.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 19. Breezy.
Friday
A chance of snow. Mostly cloudy, with a high near 25. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW LONG'S PEAK CO
 40.31°N 105.68°W (Elev. 12136 ft)
3:26 am MST Dec 27, 2025
7am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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