Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

40°F

4°C

Humidity 59%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 29 Dec 06:13 AM PST
Extended Forecast for

5 Miles WNW Penn Valley CA

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

    NOW until 9:00am Mon

    Frost Advisory

  • Today

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Light east wind.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Areas of frost before 7am.  Otherwise, mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Areas Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am.  Cloudy, with a high near 51. Light and variable wind.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm.  Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 52. Chance of precipitation is 90%.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Cloudy, with a low around 48.

    Low: 48 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 54. East northeast wind around 5 mph becoming light and variable in the afternoon.
Tonight
Partly cloudy, with a low around 37. Light east wind.
Tuesday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 52. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
A 30 percent chance of rain after 10am. Cloudy, with a high near 51. Light and variable wind.
Wednesday Night
Rain, mainly after 10pm. Low around 46. Chance of precipitation is 80%.
New Year's Day
Rain. High near 52. Chance of precipitation is 90%.
Thursday Night
Rain. Cloudy, with a low around 48.
Friday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 53.
Friday Night
Rain. Cloudy, with a low around 48.
Saturday
Rain likely. Cloudy, with a high near 50.
Saturday Night
Rain likely. Cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Penn Valley CA
 39.22°N 121.28°W (Elev. 846 ft)
1:21 am PST Dec 29, 2025
7am PST Dec 29, 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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