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

LASSEN LODGE (LSNC1)

Lat: 40.34414°NLon: 121.71373°WElev: 4159.0ft.

36°F

2°C

Humidity	97%
Wind Speed	S 5 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	25 Dec 01:50 PM PST

More Information:

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

Extended Forecast for

15 Miles WNW Chester CA

Winter Storm Warning December 25, 02:05pm until December 26, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 02:05pm until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Storm Warning
Christmas Day
High: 37 °F
Snow
Tonight
Low: 23 °F
Heavy Snow
Friday
High: 36 °F
Heavy Snow
Friday Night
Low: 20 °F
Snow then
Snow Likely
Saturday
High: 38 °F
Chance Snow
Saturday Night
Low: 17 °F
Partly Cloudy
Sunday
High: 42 °F
Sunny
Sunday Night
Low: 21 °F
Mostly Clear

Detailed Forecast

Christmas Day

Snow. High near 37. South wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 7 inches possible.

Tonight

Snow. The snow could be heavy at times. Low around 23. South southwest wind 13 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Friday

Snow. The snow could be heavy at times. High near 36. South southwest wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow, mainly before 4am. Low around 20. Southwest wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 40 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 38. Light northwest wind. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 17.

Sunday

Sunny, with a high near 42.

Sunday Night

Mostly clear, with a low around 21.

Monday

Sunny, with a high near 46.

Monday Night

Mostly clear, with a low around 26.

Tuesday

Sunny, with a high near 51.