Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

57°F

14°C

Humidity 47%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 04 Dec 02:13 PM PST
Extended Forecast for

Penn Valley CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 9pm.  Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 1am.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 9pm.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. Calm wind.
Tonight
Mostly clear, with a low around 40. Calm wind.
Friday
Sunny, with a high near 57. Light and variable wind.
Friday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 41. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 58. Light and variable wind.
Saturday Night
Patchy fog before 1am. Otherwise, mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Patchy fog before 9pm. Otherwise, partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 62.
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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 4, 2025
2pm PST Dec 4, 2025-6pm PST Dec 10, 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