Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

57°F

14°C

Humidity 79%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 13 Nov 12:13 AM PST
Extended Forecast for

6 Miles W Penn Valley CA

Wind Advisory until November 13, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 13, 01:00pm

    NOW until 1:00pm Thu

    Wind Advisory

  • Overnight

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers. The rain could be heavy at times.  Steady temperature around 60. South wind 11 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 60 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers, mainly before 4am.  Low around 52. East southeast wind 5 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 52 °F

    Showers then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 10am.  Mostly sunny, with a high near 63. Light and variable wind becoming west around 6 mph in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Light northeast wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers after 4pm.  Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 10pm.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly after 5am. Increasing clouds, with a steady temperature around 63. South southeast wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. The rain could be heavy at times. Steady temperature around 60. South wind 11 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Showers, mainly before 4am. Low around 52. East southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Friday
A 40 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 63. Light and variable wind becoming west around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 51. Light northeast wind.
Saturday
A 10 percent chance of showers after 4pm. Mostly sunny, with a high near 65.
Saturday Night
A 30 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 52.
Sunday
A chance of showers. Mostly cloudy, with a high near 57.
Sunday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 50.
Monday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 56.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
A slight chance of showers. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Penn Valley CA
 39.21°N 121.3°W (Elev. 509 ft)
2:01 pm PST Nov 12, 2025
12am PST Nov 13, 2025-6pm PST Nov 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

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