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

CASHMAN (CHAC1)

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

40°F

4°C

Humidity	84%
Wind Speed	ESE 14 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	24 Dec 10:47 AM PST

More Information:

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

Extended Forecast for

7 Miles NE Quincy CA

Flood Watch December 24, 11:39am until December 26, 04:00pm

Winter Storm Warning until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 24, 11:39am until December 26, 04:00pm
Winter Storm Warning until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 34 °F
Chance
Rain/Snow
Tonight
Low: 29 °F
Rain/Snow and
Windy
Christmas Day
High: 32 °F
Rain/Snow and
Windy then
Heavy Snow
and Breezy
Thursday Night
Low: 29 °F
Heavy Snow
and Windy
Friday
High: 33 °F
Heavy Snow
and Breezy
Friday Night
Low: 26 °F
Snow Likely
Saturday
High: 29 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 20 °F
Partly Cloudy

Detailed Forecast

Today

A chance of rain and snow, mainly after 5pm. Mostly cloudy, with a steady temperature around 34. South wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Rain and snow. Low around 29. Windy, with a south wind 23 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Christmas Day

Rain and snow, becoming all snow after 7am. The snow could be heavy at times. High near 32. Windy, with a south southwest wind 24 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 29. Windy, with a south wind 29 to 31 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

Friday

Snow. The snow could be heavy at times. High near 33. Breezy, with a south southwest wind 18 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 26. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 30 percent chance of snow before 10am. Mostly sunny, with a high near 29. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 20.

Sunday

Mostly sunny, with a high near 30.

Sunday Night

Mostly clear, with a low around 21.

Monday

Sunny, with a high near 32.

Monday Night

Mostly clear, with a low around 23.