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

38°F

3°C

Humidity 55%
Wind Speed W 17 G 23 mph
Barometer 29.89 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 27 Dec 6:55 am MST
Extended Forecast for

2 Miles WSW 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, mainly after 11am.  Areas of blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -4. Windy, with a west southwest wind 24 to 31 mph, with gusts as high as 45 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 3 to 7 inches possible.

    High: 19 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Areas of blowing snow. Low around -2. Wind chill values as low as -20. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: -2 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Sunday

    Sunday: Snow, mainly before 11am.  Patchy blowing snow before 11am. Temperature falling to around -4 by 5pm. Wind chill values as low as -29. Windy, with a west wind 24 to 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: -1 °F

    Snow and
    Patchy
    Blowing Snow
    then Chance
    Snow and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -5. Wind chill values as low as -30. Windy, with a west wind 24 to 26 mph, with gusts as high as 32 mph.

    Low: -5 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Sunny, with a high near 12. Breezy, with a west wind 13 to 22 mph, with gusts as high as 28 mph.

    High: 12 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. Windy.

    Low: 5 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 20. Breezy.

    High: 20 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 11. Windy.

    Low: 11 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 21. Windy.

    High: 21 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Today
Snow likely, mainly after 11am. Areas of blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -4. Windy, with a west southwest wind 24 to 31 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 -2. Wind chill values as low as -20. Breezy, with a west wind 18 to 23 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 -4 by 5pm. Wind chill values as low as -29. Windy, with a west wind 24 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Mostly clear, with a low around -5. Wind chill values as low as -30. Windy, with a west wind 24 to 26 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 12. Breezy, with a west wind 13 to 22 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 5. Windy.
Tuesday
Sunny, with a high near 20. Breezy.
Tuesday Night
Mostly clear, with a low around 11. Windy.
Wednesday
Mostly sunny, with a high near 21. Windy.
Wednesday Night
Mostly cloudy, with a low around 12. Breezy.
New Year's Day
A slight chance of snow. Mostly cloudy, with a high near 24. Breezy.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 16. Breezy.
Friday
A chance of snow. Mostly cloudy, with a high near 21. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW LONG'S PEAK CO
 40.24°N 105.65°W (Elev. 12001 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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