National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

59°F

15°C

Humidity 52%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 29 Dec 01:13 PM PST
Extended Forecast for

6 Miles W Penn Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 48. West southwest wind 3 to 5 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Light east southeast wind.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Cloudy, with a high near 51. Light and variable wind. Chance of precipitation is 60%.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • New Year's Day

    New Year's Day: Rain. High near 54. Chance of precipitation is 90%.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 51.

    Low: 51 °F

    Rain

  • Friday

    Friday: Rain. Cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 48. West southwest wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 38. Light east southeast wind.
Tuesday
Mostly sunny, with a high near 52. Light and variable wind.
Tuesday Night
Cloudy, with a low around 43. Calm wind.
Wednesday
Rain likely, mainly after 4pm. Cloudy, with a high near 51. Light and variable wind. Chance of precipitation is 60%.
Wednesday Night
Rain. Low around 47. Chance of precipitation is 90%.
New Year's Day
Rain. High near 54. Chance of precipitation is 90%.
Thursday Night
Rain. Cloudy, with a low around 51.
Friday
Rain. Cloudy, with a high near 54.
Friday Night
Rain. Cloudy, with a low around 46.
Saturday
Rain. Cloudy, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Penn Valley CA
 39.21°N 121.3°W (Elev. 509 ft)
Last Update:
1:21 pm PST Dec 29, 2025
Forecast Valid:
1pm PST Dec 29, 2025-6pm PST Jan 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation