Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

-3°F

-19°C

Humidity 79%
Wind Speed N 3 mph
Barometer 30.51 in
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Last update 29 Dec 12:55 am MST
Extended Forecast for

Silverthorne CO

  • Overnight

    Overnight: Clear, with a low around 2. Wind chill values as low as -8. Southwest wind 3 to 5 mph.

    Low: 2 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 36. Wind chill values as low as -4. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 12. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 12 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. Calm wind becoming west northwest around 5 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. West southwest wind 3 to 5 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of snow after 11am.  Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Overnight
Clear, with a low around 2. Wind chill values as low as -8. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 36. Wind chill values as low as -4. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 12. Light and variable wind becoming southwest around 5 mph after midnight.
Tuesday
Sunny, with a high near 47. Calm wind becoming west northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 16. West southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 20.
New Year's Day
A slight chance of snow after 11am. Partly sunny, with a high near 49.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of snow. Mostly cloudy, with a high near 44.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Saturday
A chance of snow. Partly sunny, with a high near 45.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
Sunday
A chance of snow. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Silverthorne CO
 39.66°N 106.08°W (Elev. 8740 ft)
8:12 pm MST Dec 28, 2025
1am MST Dec 29, 2025-6pm MST Jan 4, 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