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

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

32°F

0°C

Humidity	99%
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	24 Dec 09:01 AM PST

More Information:

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

Extended Forecast for

6 Miles SE Washington Pass WA

Winter Weather Advisory December 24, 09:41am until December 24, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 09:41am until December 24, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
Today
High: 33 °F
Heavy Snow
then Wintry
Mix
Tonight
Low: 20 °F
Chance
Rain/Snow
then Mostly
Clear
Christmas Day
High: 32 °F
Snow Likely
then
Rain/Snow
Thursday Night
Low: 26 °F
Rain/Snow
then
Rain/Snow
Likely
Friday
High: 30 °F
Snow
Friday Night
Low: 17 °F
Chance Snow
then Slight
Chance Snow
Saturday
High: 30 °F
Mostly Sunny
Saturday Night
Low: 18 °F
Mostly Cloudy
then Slight
Chance Snow

Detailed Forecast

Today

Rain and snow before 1pm, then rain likely between 1pm and 5pm, then a chance of rain, snow, and freezing rain after 5pm. The snow could be heavy at times. High near 33. East wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

A chance of rain and snow before 7pm. Partly cloudy, with a low around 20. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Christmas Day

Snow likely before 1pm, then rain and snow. High near 32. Light northeast wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday Night

Rain and snow, becoming all snow after 1am. Low around 26. West wind 3 to 5 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday

Snow, mainly before 4pm. High near 30. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.

Saturday

Mostly sunny, with a high near 30.

Saturday Night

A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 18.

Sunday

A 20 percent chance of snow before 10am. Partly sunny, with a high near 36.

Sunday Night

Mostly cloudy, with a low around 24.

Monday

Partly sunny, with a high near 40.