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 Weather Advisory until December 26, 10:00 PM PST

Current conditions at

BLACK ROCK (OKFO3)

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

35°F

2°C

Humidity	96%
Wind Speed	ESE 3 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	25 Dec 07:15 AM PST

More Information:

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

Extended Forecast for

8 Miles NNE Lemolo Lake OR

Winter Weather Advisory December 25, 08:15am until December 26, 10:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 25, 08:15am until December 26, 10:00pm
NOW until 10:00pm Fri
Winter Weather Advisory
Christmas Day
High: 39 °F
Rain/Snow
Tonight
Low: 30 °F
Rain/Snow
Likely then
Snow Showers
Friday
High: 34 °F
Snow Showers
Friday Night
Low: 25 °F
Snow
Saturday
High: 29 °F
Snow Likely
then Chance
Snow
Saturday Night
Low: 19 °F
Mostly Cloudy
Sunday
High: 38 °F
Mostly Sunny
Sunday Night
Low: 25 °F
Partly Cloudy

Detailed Forecast

Christmas Day

Rain and snow showers. Snow level 5300 feet lowering to 4700 feet. High near 39. South wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of rain and snow showers before 9pm, then snow showers. Low around 30. Southeast wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers before 10am, then snow after 10am. High near 34. South wind around 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow. Low around 25. West wind around 11 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 29. West northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 19.

Sunday

Mostly sunny, with a high near 38.

Sunday Night

Partly cloudy, with a low around 25.

Monday

Mostly sunny, with a high near 44.

Monday Night

Mostly cloudy, with a low around 31.

Tuesday

Mostly sunny, with a high near 49.