Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

46°F

8°C

Humidity 70%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 01 Dec 11:13 PM PST
Extended Forecast for

Penn Valley CA

  • Overnight

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

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Calm wind becoming northeast around 5 mph after midnight.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59. North wind around 7 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. East northeast wind 3 to 6 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 58. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 39. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 59. North wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 38. East northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
1:21 pm PST Dec 1, 2025
12am PST Dec 2, 2025-6pm PST Dec 8, 2025
 
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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