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

WHITE CLOUD (CISC1)

Lat: 39.31944°NLon: 120.84211°WElev: 4302.0ft.

NA

40°F

4°C

Humidity 34%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 28 Dec 02:33 AM PST
Extended Forecast for

13 Miles NNE Grass Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. East northeast wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 51. East northeast wind around 6 mph becoming north northwest in the afternoon.

    High: 51 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. East northeast wind around 10 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. East northeast wind 5 to 9 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 38. East northeast wind around 7 mph.

    Low: 38 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °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, mainly after 10pm.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. East northeast wind around 6 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 51. East northeast wind around 6 mph becoming north northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 36. East northeast wind around 10 mph.
Monday
Sunny, with a high near 55. East northeast wind 5 to 9 mph.
Monday Night
Clear, with a low around 38. East northeast wind around 7 mph.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 42.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 54.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 49.
Friday Night
Rain likely. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Grass Valley CA
 39.4°N 120.97°W (Elev. 3360 ft)
1:21 am PST Dec 28, 2025
3am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database