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.

Mostly Cloudy

12°F

-11°C

Humidity 64%
Wind Speed W 16 G 24 mph
Barometer 30.17 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 28 Dec 8:15 am MST
Extended Forecast for

Silverthorne CO

  • Today

    Today: Snow likely, mainly before 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values as low as zero. Northwest wind 9 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 19 °F

    Snow Likely
    then Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a low around 3. Wind chill values as low as -5. West northwest wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 39. Wind chill values as low as -4. Calm wind becoming west northwest around 5 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Light west southwest wind.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. Calm wind becoming west northwest around 5 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 19. Wind chill values as low as zero. Northwest wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 3. Wind chill values as low as -5. West northwest wind 5 to 7 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 39. Wind chill values as low as -4. Calm wind becoming west northwest around 5 mph.
Monday Night
Mostly clear, with a low around 11. Light west southwest wind.
Tuesday
Sunny, with a high near 46. Calm wind becoming west northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 19.
New Year's Day
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A chance of snow. Mostly cloudy, with a high near 47.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Saturday
A chance of snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Silverthorne CO
 39.66°N 106.08°W (Elev. 8740 ft)
5:49 am MST Dec 28, 2025
8am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
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