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 AM PST

Current conditions at

ROCK CREEK (RCEC1)

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

32°F

0°C

Humidity	96%
Wind Speed	ESE 4 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	25 Dec 04:04 AM PST

More Information:

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

Extended Forecast for

15 Miles WSW Chalfant CA

Winter Storm Warning December 25, 04:30am until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 04:30am until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
Overnight
Low: 38 °F
Chance
Rain/Snow
Christmas Day
High: 45 °F
Rain/Snow
Thursday Night
Low: 37 °F
Rain/Snow and
Breezy
Friday
High: 46 °F
Rain/Snow
Friday Night
Low: 28 °F
Chance Snow
Saturday
High: 43 °F
Sunny
Saturday Night
Low: 26 °F
Mostly Clear
Sunday
High: 45 °F
Sunny

Detailed Forecast

Overnight

A chance of rain and snow. Snow level 5800 feet. Mostly cloudy, with a low around 38. South wind around 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Christmas Day

Rain and snow, mainly after 7am. Snow level 6200 feet. High near 45. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain before 10pm, then rain and snow. Snow level 6000 feet. Low around 37. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain and snow. Snow level 5700 feet. High near 46. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

A 30 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 28. West wind around 10 mph. Little or no snow accumulation expected.

Saturday

Sunny, with a high near 43. West wind around 5 mph becoming north in the afternoon.

Saturday Night

Mostly clear, with a low around 26.

Sunday

Sunny, with a high near 45.

Sunday Night

Mostly clear, with a low around 30.

Monday

Sunny, with a high near 50.

Monday Night

Mostly clear, with a low around 36.