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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

57°F

14°C

Humidity 67%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 02 Nov 10:13 PM PST
Extended Forecast for

Penn Valley CA

  • Tonight

    Tonight: Clear, with a low around 54. Light east southeast wind.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. South wind around 7 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: A 10 percent chance of showers after 4am. Partly cloudy, with a low around 52. Southeast wind 3 to 5 mph.

    Low: 52 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 10am. Partly sunny, with a high near 66. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 66 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 53. Southeast wind 6 to 8 mph.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. High near 55. Chance of precipitation is 100%.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 4am. Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 54. Light east southeast wind.
Monday
Sunny, with a high near 70. South wind around 7 mph.
Monday Night
A 10 percent chance of showers after 4am. Partly cloudy, with a low around 52. Southeast wind 3 to 5 mph.
Tuesday
A 20 percent chance of showers before 10am. Partly sunny, with a high near 66. Light and variable wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 53. Southeast wind 6 to 8 mph.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 55. Chance of precipitation is 100%.
Wednesday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers. Low around 51. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
A slight chance of showers after 4am. Partly cloudy, with a low around 51.
Friday
A slight chance of showers before 10am. Partly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly cloudy, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
Last Update:
1:21 pm PST Nov 2, 2025
Forecast Valid:
11pm PST Nov 2, 2025-6pm PST Nov 9, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation