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 >

Hazardous Weather Conditions

Winter Storm Warning until December 26, 10:00 PM PST

Current conditions at

CASHMAN (CHAC1)

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

33°F

1°C

Humidity	89%
Wind Speed	S 5 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	26 Dec 03:47 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles WSW Greenville CA

Winter Storm Warning December 26, 04:01am until December 26, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 26, 04:01am until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Storm Warning
Overnight
Low: 29 °F
Snow and
Breezy
Friday
High: 31 °F
Chance Snow
then Heavy
Snow
Friday Night
Low: 26 °F
Snow Likely
then Chance
Snow
Saturday
High: 33 °F
Chance Snow
Saturday Night
Low: 19 °F
Partly Cloudy
Sunday
High: 33 °F
Sunny
Sunday Night
Low: 20 °F
Mostly Clear
Monday
High: 34 °F
Sunny

Detailed Forecast

Overnight

Snow. Low around 29. Breezy, with a south southwest wind around 24 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 6 to 10 inches possible.

Friday

Snow, mainly after noon. The snow could be heavy at times. High near 31. South southwest wind 16 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow likely, mainly before 2am. Mostly cloudy, with a low around 26. South southwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 40 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 33. Light west northwest wind. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 19. Northeast wind 8 to 10 mph.

Sunday

Sunny, with a high near 33.

Sunday Night

Mostly clear, with a low around 20.

Monday

Sunny, with a high near 34.

Monday Night

Mostly clear, with a low around 21.

Tuesday

Sunny, with a high near 37.