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

COTTAGE (STUC1)

Lat: 38.34587°NLon: 120.22952°WElev: 6064.0ft.

34°F

1°C

Humidity	100%
Wind Speed	S 19 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	23°F (-5°C)
Last update	25 Dec 12:54 PM PST

More Information:

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

Extended Forecast for

4 Miles NNW Sonora Pass CA

Winter Storm Warning December 25, 01:04pm until December 26, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 01:04pm until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Storm Warning
Christmas Day
High: 27 °F
Heavy Snow
and Windy
Tonight
Low: 19 °F
Heavy Snow
and Windy
Friday
High: 21 °F
Heavy Snow
and Windy
Friday Night
Low: 8 °F
Snow Likely
Saturday
High: 27 °F
Chance Snow
Saturday Night
Low: 8 °F
Partly Cloudy
Sunday
High: 30 °F
Sunny
Sunday Night
Low: 13 °F
Mostly Clear

Detailed Forecast

Christmas Day

Snow. The snow could be heavy at times. High near 27. Windy, with a south southwest wind around 37 mph, with gusts as high as 65 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 17 to 23 inches possible.

Tonight

Snow. The snow could be heavy at times. Low around 19. Windy, with a south southwest wind 45 to 48 mph, with gusts as high as 75 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

Friday

Snow. The snow could be heavy at times. Steady temperature around 21. Wind chill values as low as -1. Windy, with a southwest wind 35 to 40 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 8. Wind chill values as low as -3. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

A 30 percent chance of snow. Mostly sunny, with a high near 27. Southwest wind 5 to 8 mph becoming west northwest in the afternoon. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 8.

Sunday

Sunny, with a high near 30.

Sunday Night

Mostly clear, with a low around 13.

Monday

Sunny, with a high near 35.

Monday Night

Mostly clear, with a low around 20.

Tuesday

Sunny, with a high near 41.