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	SSE 34 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	20°F (-7°C)
Last update	25 Dec 03:54 AM PST

More Information:

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

Extended Forecast for

16 Miles WSW Sonora Pass CA

Winter Storm Warning December 25, 04:47am until December 26, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 04:47am until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Storm Warning
Overnight
Low: 27 °F
Heavy Snow
and Windy
Christmas Day
High: 31 °F
Heavy Snow
and Windy
Thursday Night
Low: 24 °F
Heavy Snow
and Windy
Friday
High: 29 °F
Heavy Snow
and Breezy
Friday Night
Low: 18 °F
Snow Likely
Saturday
High: 32 °F
Chance Snow
Saturday Night
Low: 18 °F
Mostly Clear
Sunday
High: 37 °F
Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 27. Windy, with a south wind around 30 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 12 to 18 inches possible.

Christmas Day

Snow. The snow could be heavy at times. High near 31. Windy, with a south wind 28 to 31 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 17 to 23 inches possible.

Thursday Night

Snow before 7pm, then snow showers between 7pm and 10pm, then snow after 10pm. The snow could be heavy at times. Some thunder is also possible. Low around 24. Windy, with a south southwest wind around 32 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

Friday

Snow. The snow could be heavy at times. High near 29. Breezy, with a south southwest wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 47 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 18. South southeast wind 6 to 9 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday

A 30 percent chance of snow. Mostly sunny, with a high near 32. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly clear, with a low around 18.

Sunday

Sunny, with a high near 37.

Sunday Night

Mostly clear, with a low around 24.

Monday

Sunny, with a high near 42.

Monday Night

Mostly clear, with a low around 30.