Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

70°F

21°C

Humidity 66%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 01 Oct 03:13 PM PDT
Extended Forecast for

Penn Valley CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers.  Partly sunny, with a high near 65. South wind around 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 5am.  Mostly cloudy, with a low around 58. Calm wind.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 64. Calm wind becoming south southwest around 5 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 2am.  Mostly cloudy, with a low around 52. Light and variable wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 11am.  Mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.

    High: 63 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 65. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 52. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers before 11am. Mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
1:12 pm PDT Oct 1, 2025
4pm PDT Oct 1, 2025-6pm PDT Oct 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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