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

Wind Advisory in effect from December 25, 01:00 AM PST until December 25, 01:00 PM PST

Current conditions at

BLACK ROCK (OKFO3)

Lat: 43.52831°NLon: 121.81601°WElev: 4891.0ft.

36°F

2°C

Humidity	92%
Wind Speed	ESE 5 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	25 Dec 05:15 AM PST

More Information:

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

Extended Forecast for

Chemult OR

Wind Advisory until December 25, 01:00pm

Click here for hazard details and duration

Wind Advisory

Wind Advisory until December 25, 01:00pm
NOW until 1:00pm Thu
Wind Advisory
Christmas Day
High: 38 °F
Rain/Snow
Tonight
Low: 23 °F
Snow Showers
Friday
High: 36 °F
Snow
Friday Night
Low: 19 °F
Snow then
Chance Snow
Saturday
High: 32 °F
Chance Snow
Saturday Night
Low: 13 °F
Mostly Cloudy
Sunday
High: 37 °F
Mostly Sunny
Sunday Night
Low: 15 °F
Partly Cloudy

Detailed Forecast

Christmas Day

Rain and snow showers, becoming all snow after 1pm. Snow level 5400 feet lowering to 4900 feet in the afternoon . High near 38. South wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow showers. Low around 23. South southeast wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers likely before 10am, then snow after 10am. High near 36. South southwest wind around 9 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Friday Night

Snow, mainly before 10pm. Low around 19. West wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 32. West northwest wind around 6 mph. Little or no snow accumulation expected.

Saturday Night

Mostly cloudy, with a low around 13.

Sunday

Mostly sunny, with a high near 37.

Sunday Night

Partly cloudy, with a low around 15.

Monday

Mostly sunny, with a high near 42.

Monday Night

Partly cloudy, with a low around 20.