Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

37°F

3°C

Humidity 66%
Wind Speed W 15 G 31 mph
Barometer 29.90 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Dec 3:15 am MST
Extended Forecast for

7 Miles NE Silverthorne CO

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

    Overnight: A 30 percent chance of snow.  Mostly cloudy, with a low around 22. Breezy, with a west southwest wind around 17 mph, with gusts as high as 36 mph.  Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Snow likely, mainly after 2pm.  Mostly cloudy, with a high near 27. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times.  Low around 5. Wind chill values as low as -8. Blustery, with a west wind 11 to 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 5 °F

    Heavy Snow
    and Blustery

  • Sunday

    Sunday: Snow, mainly before 11am.  High near 7. Wind chill values as low as -13. Blustery, with a west northwest wind 11 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 7 °F

    Blustery.
    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 0. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 0 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Monday Night

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

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a low around 22. Breezy, with a west southwest wind around 17 mph, with gusts as high as 36 mph. Little or no snow accumulation expected.
Saturday
Snow likely, mainly after 2pm. Mostly cloudy, with a high near 27. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 5. Wind chill values as low as -8. Blustery, with a west wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 11am. High near 7. Wind chill values as low as -13. Blustery, with a west northwest wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Mostly clear, with a low around 0. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 20.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Sunny, with a high near 28.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 18.
New Year's Day
A slight chance of snow. Partly sunny, with a high near 33.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow. Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Silverthorne CO
 39.73°N 106°W (Elev. 11398 ft)
3:26 am MST Dec 27, 2025
3am 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