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	99%
Wind Speed	SE 5 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Wind Chill	26°F (-3°C)
Last update	25 Dec 04:04 PM PST

More Information:

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

Extended Forecast for

11 Miles WNW Chalfant CA

Winter Storm Warning December 25, 04:39pm until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 04:39pm until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
Christmas Day
High: 35 °F
Snow and
Breezy
Tonight
Low: 30 °F
Snow and
Areas Fog
Friday
High: 37 °F
Snow and
Areas
Freezing Fog
Friday Night
Low: 20 °F
Chance Snow
Saturday
High: 34 °F
Sunny
Saturday Night
Low: 17 °F
Mostly Clear
Sunday
High: 35 °F
Sunny
Sunday Night
Low: 20 °F
Mostly Clear

Detailed Forecast

Christmas Day

Snow. High near 35. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow. Areas of fog after 2am. Low around 30. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow, mainly before 1pm. Areas of fog before 7am. Areas of freezing fog before 9am. High near 37. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

A 40 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 20. West wind around 10 mph. Little or no snow accumulation expected.

Saturday

Sunny, with a high near 34. North wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 17. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunday

Sunny, with a high near 35.

Sunday Night

Mostly clear, with a low around 20.

Monday

Sunny, with a high near 39.

Monday Night

Mostly clear, with a low around 25.