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.

Fair

44°F

7°C

Humidity 29%
Wind Speed SW 17 G 31 mph
Barometer 29.79 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 27 Dec 1:15 pm MST
Extended Forecast for

6 Miles SSE Trail Ridge CO

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

    NOW until 11:00am Sun

    Winter Weather Advisory

  • This Afternoon

    High: 23 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Patchy blowing snow. Low around 1. Wind chill values as low as -17. 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 3 to 7 inches possible.

    Low: 1 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow, mainly before 11am.  Patchy blowing snow before 11am. Temperature falling to around 0 by 5pm. Wind chill values as low as -23. Windy, with a west wind 22 to 25 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 3 °F

    Snow and
    Patchy
    Blowing Snow
    then Chance
    Snow and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -3. Wind chill values as low as -25. Breezy, with a west wind around 21 mph, with gusts as high as 31 mph.

    Low: -3 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 17. Breezy, with a west wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 17 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 7. Breezy.

    Low: 7 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 25. Breezy.

    High: 25 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13. Breezy.

    Low: 13 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Snow likely. Patchy blowing snow. Cloudy, with a high near 23. Breezy, with a west wind 21 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow. The snow could be heavy at times. Patchy blowing snow. Low around 1. Wind chill values as low as -17. 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 3 to 7 inches possible.
Sunday
Snow, mainly before 11am. Patchy blowing snow before 11am. Temperature falling to around 0 by 5pm. Wind chill values as low as -23. Windy, with a west wind 22 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Mostly clear, with a low around -3. Wind chill values as low as -25. Breezy, with a west wind around 21 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 17. Breezy, with a west wind 10 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 7. Breezy.
Tuesday
Sunny, with a high near 25. Breezy.
Tuesday Night
Partly cloudy, with a low around 13. Breezy.
Wednesday
Mostly sunny, with a high near 26. 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 26. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Trail Ridge CO
 40.35°N 105.71°W (Elev. 11076 ft)
3:26 am MST Dec 27, 2025
1pm MST Dec 27, 2025-6pm MST Jan 2, 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