Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

MANZANITA LAKE (VIOC1)

Lat: 40.54011°NLon: 121.58016°WElev: 5732.0ft.

NA

32°F

0°C

Humidity 96%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 25 Dec 12:52 PM PST
Extended Forecast for

19 Miles NW Chester CA

Winter Storm Warning December 25, 01:03pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 25, 01:03pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • Christmas Day

    High: 21 °F

    Heavy Snow
    and Windy

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Steady temperature around 22. Wind chill values as low as -3. Windy, with a south southwest wind 47 to 50 mph, with gusts as high as 60 mph.  Chance of precipitation is 100%. New snow accumulation of 19 to 25 inches possible.

    Low: 22 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times.  Steady temperature around 20. Wind chill values as low as -4. Windy, with a south southwest wind 41 to 46 mph decreasing to 33 to 38 mph in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    High: 20 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow, mainly before 4am. The snow could be heavy at times.  Low around 16. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 16 °F

    Heavy Snow
    and Breezy
    then Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 10am.  Mostly sunny, with a high near 20. Southwest wind around 9 mph becoming north northwest in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13. Breezy.

    Low: 13 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 18. Blustery.

    Low: 18 °F

    Clear and
    Blustery

Detailed Forecast

Christmas Day
Snow. The snow could be heavy at times. Steady temperature around 21. Wind chill values as low as -3. Windy, with a south southwest wind around 46 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 23 to 29 inches possible.
Tonight
Snow. The snow could be heavy at times. Steady temperature around 22. Wind chill values as low as -3. Windy, with a south southwest wind 47 to 50 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 19 to 25 inches possible.
Friday
Snow. The snow could be heavy at times. Steady temperature around 20. Wind chill values as low as -4. Windy, with a south southwest wind 41 to 46 mph decreasing to 33 to 38 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Friday Night
Snow, mainly before 4am. The snow could be heavy at times. Low around 16. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
A 40 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 20. Southwest wind around 9 mph becoming north northwest in the afternoon. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 13. Breezy.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Clear, with a low around 18. Blustery.
Monday
Sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NW Chester CA
 40.48°N 121.51°W (Elev. 9485 ft)
11:51 am PST Dec 25, 2025
1pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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