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.

43°F

6°C

Humidity	80%
Wind Speed	S 29 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	33°F (1°C)
Last update	24 Dec 11:47 PM PST

More Information:

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

Extended Forecast for

7 Miles SSE Greenville CA

Winter Storm Warning December 25, 12:47am until December 26, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 12:47am until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Storm Warning
Overnight
Low: 33 °F
Heavy Snow
and Windy
Christmas Day
High: 32 °F
Heavy Snow
and Windy
Thursday Night
Low: 28 °F
Heavy Snow
and Windy
Friday
High: 31 °F
Snow and
Breezy
Friday Night
Low: 28 °F
Snow
Saturday
High: 30 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 17 °F
Partly Cloudy
Sunday
High: 29 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 33. Windy, with a south wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.

Christmas Day

Snow. The snow could be heavy at times. High near 32. Windy, with a south southwest wind 25 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 28. Windy, with a south wind 30 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Friday

Snow. High near 31. Breezy, with a south southwest wind 20 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow, mainly before 4am. Low around 28. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Saturday

A 30 percent chance of snow before 10am. Mostly sunny, with a high near 30. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 17.

Sunday

Mostly sunny, with a high near 29.

Sunday Night

Mostly clear, with a low around 19.

Monday

Sunny, with a high near 31.

Monday Night

Mostly clear, with a low around 20.