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

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

31°F

-1°C

Humidity	98%
Wind Speed	ESE 7 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	24°F (-4°C)
Last update	25 Dec 03:04 PM PST

More Information:

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

Extended Forecast for

18 Miles W Chalfant CA

Winter Storm Warning December 25, 03:39pm until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 03:39pm until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
Christmas Day
High: 23 °F
Heavy Snow
and Windy
Tonight
Low: 20 °F
Heavy Snow
and Very
Windy
Friday
High: 23 °F
Heavy Snow
and Very
Windy
Friday Night
Low: 11 °F
Chance Snow
and Breezy
Saturday
High: 19 °F
Sunny
Saturday Night
Low: 11 °F
Mostly Clear
and Breezy
Sunday
High: 22 °F
Sunny
Sunday Night
Low: 14 °F
Mostly Clear
then Mostly
Clear and
Blustery

Detailed Forecast

Christmas Day

Snow. The snow could be heavy at times. High near 23. Windy, with a south wind around 35 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 6 to 10 inches possible.

Tonight

Snow. The snow could be heavy at times. Low around 20. Very windy, with a southwest wind around 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday

Snow, mainly before 1pm. The snow could be heavy at times. High near 23. Very windy, with a southwest wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday Night

A 40 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 11. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.

Saturday

Sunny, with a high near 19. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday Night

Mostly clear, with a low around 11. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Sunday

Sunny, with a high near 22.

Sunday Night

Mostly clear, with a low around 14. Blustery.

Monday

Sunny, with a high near 25.

Monday Night

Mostly clear, with a low around 20.