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

HELL HOLE (HLLC1)

Lat: 39.06971°NLon: 120.41989°WElev: 5240.0ft.

36°F

2°C

Humidity	90%
Wind Speed	S 12 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	25 Dec 04:09 AM PST

More Information:

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

Extended Forecast for

8 Miles SW Truckee CA

Winter Storm Warning December 25, 04:39am until December 26, 10:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 04:39am until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Storm Warning
Overnight
Low: 31 °F
Heavy Snow
and Windy
Christmas Day
High: 33 °F⇓
Heavy Snow
and Windy
Thursday Night
Low: 23 °F
Heavy Snow
and Windy
Friday
High: 28 °F
Heavy Snow
and Windy
Friday Night
Low: 23 °F
Snow
Saturday
High: 27 °F
Chance Snow
Saturday Night
Low: 18 °F
Partly Cloudy
Sunday
High: 29 °F
Mostly Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 31. Windy, with a south wind around 41 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Christmas Day

Snow. The snow could be heavy at times. Temperature falling to around 26 by 10am. Windy, with a south southwest wind 35 to 40 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 23. Windy, with a southwest wind 37 to 41 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 28. Windy, with a south southwest wind 31 to 36 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow. Low around 23. Southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 27. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 18.

Sunday

Mostly sunny, with a high near 29.

Sunday Night

Mostly clear, with a low around 21.

Monday

Sunny, with a high near 34.

Monday Night

Mostly clear, with a low around 26.