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

CASHMAN (CHAC1)

Lat: 40.00194°NLon: 120.915°WElev: 4478.0ft.

NA

33°F

1°C

Humidity 95%
Wind Speed E 12 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 25 Dec 09:47 PM PST
Extended Forecast for

6 Miles NNW Greenville CA

Winter Storm Warning December 25, 10:45pm until December 26, 10:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 25, 10:45pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Winter Storm Warning

  • Tonight

    Low: 31 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow.  High near 33. South southwest wind 17 to 21 mph, with gusts as high as 45 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 10pm.  Low around 28. Southwest wind 10 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 35. Light west wind.  Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. North northeast wind around 8 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Steady temperature around 31. Breezy, with a southwest wind around 24 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.
Friday
Snow. High near 33. South southwest wind 17 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow, mainly before 10pm. Low around 28. Southwest wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 30 percent chance of snow before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 35. Light west wind. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 18. North northeast wind around 8 mph.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 29.
New Year's Day
A slight chance of rain and snow. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Greenville CA
 40.21°N 120.97°W (Elev. 5600 ft)
7:51 pm PST Dec 25, 2025
10pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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