Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

46°F

8°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 31 Dec 09:13 PM PST
Extended Forecast for

4 Miles NNW Penn Valley CA

  • Tonight

    Tonight: Rain.  Patchy fog before 10pm, then patchy fog after midnight. Steady temperature around 49. Calm wind.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain and
    Patchy Fog

  • New Year's Day

    New Year's Day: Rain.  High near 54. Calm wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 47. South southeast wind 5 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Friday

    Friday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 55. South wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain.  Low around 48. Southeast wind around 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm.  High near 51. Chance of precipitation is 100%.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 4am, then rain after 4am.  Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Showers

  • Sunday

    Sunday: Rain before 10am, then showers and possibly a thunderstorm after 10am.  Cloudy, with a high near 49.

    High: 49 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am.  Cloudy, with a low around 44.

    Low: 44 °F

    Showers

Detailed Forecast

Tonight
Rain. Patchy fog before 10pm, then patchy fog after midnight. Steady temperature around 49. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain. High near 54. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain. Low around 47. South southeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 55. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 48. Southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 51. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm before 4am, then rain after 4am. Low around 47. Chance of precipitation is 100%.
Sunday
Rain before 10am, then showers and possibly a thunderstorm after 10am. Cloudy, with a high near 49.
Sunday Night
Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Cloudy, with a low around 44.
Monday
Rain. Cloudy, with a high near 48.
Monday Night
Rain likely. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly sunny, with a high near 51.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 39.
Wednesday
A chance of rain. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Penn Valley CA
 39.25°N 121.2°W (Elev. 1385 ft)
1:21 pm PST Dec 31, 2025
9pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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