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	91%
Wind Speed	ENE 3 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	24 Dec 06:15 PM PST

More Information:

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

Extended Forecast for

6 Miles NE Chemult OR

Wind Advisory December 25, 01:00am until December 25, 01:00pm

Click here for hazard details and duration

Wind Advisory

Tonight
Low: 30 °F
Partly Cloudy
then Chance
Snow
Christmas Day
High: 37 °F
Snow Likely
Thursday Night
Low: 25 °F
Snow
Friday
High: 35 °F
Snow
Friday Night
Low: 20 °F
Snow then
Chance Snow
Saturday
High: 31 °F
Chance Snow
Saturday Night
Low: 15 °F
Partly Cloudy
Sunday
High: 37 °F
Mostly Sunny
Sunday Night
Low: 18 °F
Partly Cloudy

Detailed Forecast

Tonight

A 50 percent chance of snow, mainly between midnight and 4am. Mostly cloudy, with a steady temperature around 30. South southeast wind 11 to 14 mph, with gusts as high as 21 mph. Total nighttime snow accumulation of less than a half inch possible.

Christmas Day

Snow likely, mainly after 2pm. Mostly cloudy, with a high near 37. South wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Thursday Night

Snow. Low around 25. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 35. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow, mainly before 10pm. Low around 20. West southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow, mainly before 10am. Partly sunny, with a high near 31. Little or no snow accumulation expected.

Saturday Night

Partly cloudy, with a low around 15.

Sunday

Mostly sunny, with a high near 37.

Sunday Night

Partly cloudy, with a low around 18.

Monday

Mostly sunny, with a high near 41.

Monday Night

Mostly clear, with a low around 22.