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 24, 04:00 PM PST

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

32°F

0°C

Humidity	96%
Wind Speed	N 2 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	24 Dec 11:06 AM PST

More Information:

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

Extended Forecast for

11 Miles NNE Mazama WA

Winter Weather Advisory December 24, 11:51am until December 24, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 11:51am until December 24, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
Today
High: 27 °F
Heavy Snow
Tonight
Low: 16 °F
Chance Snow
then Mostly
Clear
Christmas Day
High: 24 °F
Snow
Thursday Night
Low: 20 °F
Snow then
Chance Snow
Friday
High: 22 °F
Snow
Friday Night
Low: 9 °F
Chance Snow
then Mostly
Cloudy
Saturday
High: 17 °F
Mostly Sunny
Saturday Night
Low: 11 °F
Mostly Cloudy
then Slight
Chance Snow

Detailed Forecast

Today

Snow, mainly before 4pm. The snow could be heavy at times. High near 27. West wind 11 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 8 to 12 inches possible.

Tonight

A 30 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West wind 8 to 13 mph. New snow accumulation of less than one inch possible.

Christmas Day

Snow, mainly after 10am. High near 24. North wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow, mainly before 10pm. Low around 20. Northwest wind 7 to 9 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Snow, mainly between 10am and 4pm. High near 22. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday Night

A 50 percent chance of snow before 10pm. Mostly cloudy, with a low around 9. New snow accumulation of less than a half inch possible.

Saturday

Mostly sunny, with a high near 17.

Saturday Night

A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 11.

Sunday

A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 23.

Sunday Night

Mostly cloudy, with a low around 17.

Monday

Mostly cloudy, with a high near 28.