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 >

Current conditions at

READER RANCH (RRRC1)

Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.

NA

55°F

13°C

Humidity 60%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 28 Dec 02:13 PM PST
Extended Forecast for

3 Miles NW Grass Valley CA

Frost Advisory December 29, 01:00am until December 29, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 33. East wind around 6 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. East wind around 6 mph becoming calm  in the morning.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Areas of frost after 4am.  Otherwise, clear, with a low around 35. East northeast wind 3 to 5 mph.

    Low: 35 °F

    Clear then
    Areas Frost

  • Tuesday

    Tuesday: Areas of frost before 8am.  Otherwise, sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Light east northeast wind.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 4pm.  Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain likely.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 33. East wind around 6 mph.
Monday
Sunny, with a high near 58. East wind around 6 mph becoming calm in the morning.
Monday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35. East northeast wind 3 to 5 mph.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 39. Light east northeast wind.
Wednesday
A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 57.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
New Year's Day
Rain likely. Mostly cloudy, with a high near 52.
Thursday Night
Rain. Mostly cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 54.
Friday Night
Rain likely. Mostly cloudy, with a low around 43.
Saturday
Rain likely. Mostly cloudy, with a high near 50.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Grass Valley CA
 39.24°N 121.11°W (Elev. 1998 ft)
1:21 pm PST Dec 28, 2025
3pm PST Dec 28, 2025-6pm PST Jan 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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