Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

COTTAGE (STUC1)

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

40°F

4°C

Humidity	100%
Wind Speed	SSE 34 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	23 Dec 11:54 PM PST

More Information:

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

Extended Forecast for

3 Miles SSW Sonora Pass CA

Flood Watch December 24, 01:08am 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, 01:08am until December 26, 04:00pm
Winter Storm Warning until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 28 °F
Heavy Snow
and Windy
Wednesday
High: 24 °F
Heavy Snow
and Windy
Wednesday Night
Low: 23 °F
Heavy Snow
and Windy
Christmas Day
High: 24 °F
Heavy Snow
and Windy
Thursday Night
Low: 14 °F
Heavy Snow
and Windy
Friday
High: 18 °F
Heavy Snow
and Windy
Friday Night
Low: 9 °F
Snow Likely
Saturday
High: 18 °F
Chance Snow

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 28. Windy, with a south wind 45 to 47 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 12 to 18 inches possible.

Wednesday

Snow. The snow could be heavy at times. Steady temperature around 24. Windy, with a south southwest wind 39 to 44 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 22 to 28 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Steady temperature around 23. Wind chill values as low as zero. Windy, with a south southwest wind 39 to 49 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

Christmas Day

Snow. The snow could be heavy at times. High near 24. Wind chill values as low as -3. Windy, with a south southwest wind 44 to 49 mph decreasing to 37 to 42 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 19 to 25 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 14. Windy, with a south southwest wind 46 to 50 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 19 to 25 inches possible.

Friday

Snow. The snow could be heavy at times. High near 18. Windy. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 9. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday

A chance of snow. Mostly sunny, with a high near 18.

Saturday Night

Mostly clear, with a low around 11. Blustery.

Sunday

Sunny, with a high near 22. Blustery.

Sunday Night

Mostly clear, with a low around 15. Blustery.