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

Nevada County Air Park (KGOO)

Lat: 39.224028°NLon: 121.003083°WElev: 3154.0ft.

Clear

39°F

4°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Dec 07:55 AM PST
Extended Forecast for

Grass Valley CA

  • Today

    Today: Sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. East northeast wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. East northeast wind around 6 mph becoming calm  in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 36. East northeast wind around 5 mph.

    Low: 36 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. East northeast wind around 5 mph becoming calm  in the morning.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 10pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • New Year's Day

    New Year's Day: A chance of rain.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 51. Light and variable wind.
Tonight
Mostly clear, with a low around 36. East northeast wind around 6 mph.
Monday
Sunny, with a high near 56. East northeast wind around 6 mph becoming calm in the afternoon.
Monday Night
Clear, with a low around 36. East northeast wind around 5 mph.
Tuesday
Sunny, with a high near 57. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 41.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42.
Friday
Rain likely. Mostly cloudy, with a high near 52.
Friday Night
Rain likely. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
1:21 am PST Dec 28, 2025
8am PST Dec 28, 2025-6pm PST Jan 3, 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