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

21 Miles NW Mazama WA

Winter Weather Advisory December 24, 10:10am until December 24, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 24, 10:10am until December 24, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
Today
High: 31 °F
Snow
Tonight
Low: 16 °F
Snow Likely
then Partly
Cloudy
Christmas Day
High: 27 °F
Snow
Thursday Night
Low: 22 °F
Snow
Friday
High: 26 °F
Snow
Friday Night
Low: 10 °F
Snow Likely
then Chance
Snow
Saturday
High: 18 °F
Partly Sunny
Saturday Night
Low: 13 °F
Slight Chance
Snow

Detailed Forecast

Today

Snow. High near 31. Northeast wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow likely before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Southwest wind 9 to 14 mph becoming southeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Christmas Day

Snow, mainly after 10am. High near 27. East wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Thursday Night

Snow. Low around 22. Northwest wind around 10 mph becoming west after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. High near 26. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 10. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Partly sunny, with a high near 18.

Saturday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 13.

Sunday

A 20 percent chance of snow. Mostly cloudy, with a high near 26.

Sunday Night

A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 19.

Monday

A 20 percent chance of snow. Mostly cloudy, with a high near 32.

Monday Night

Mostly cloudy, with a low around 22.