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 in effect from December 26, 04:00 AM PST until December 26, 10:00 PM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

33°F

1°C

Humidity	98%
Wind Speed	WSW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	25 Dec 01:01 PM PST

More Information:

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

Extended Forecast for

3 Miles WSW Washington Pass WA

Winter Weather Advisory December 26, 04:00am until December 26, 10:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 24 °F
Mostly Cloudy
Friday
High: 28 °F⇓
Snow
Friday Night
Low: 6 °F
Snow
Saturday
High: 18 °F
Slight Chance
Snow then
Sunny
Saturday Night
Low: 6 °F
Mostly Cloudy
Sunday
High: 26 °F
Partly Sunny
Sunday Night
Low: 13 °F
Mostly Cloudy
Monday
High: 29 °F
Mostly Cloudy
Monday Night
Low: 20 °F
Mostly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 24. Southwest wind around 6 mph.

Friday

Snow, mainly after 10am. Temperature rising to near 28 by 11am, then falling to around 20 during the remainder of the day. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow, mainly before 1am. Low around 6. Wind chill values as low as -5. West wind around 9 mph becoming north after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday

A 20 percent chance of snow before 10am. Mostly sunny, with a high near 18. Wind chill values as low as -8. Northwest wind around 8 mph.

Saturday Night

Mostly cloudy, with a low around 6. West wind around 5 mph.

Sunday

Partly sunny, with a high near 26.

Sunday Night

Mostly cloudy, with a low around 13.

Monday

Mostly cloudy, with a high near 29.

Monday Night

Mostly cloudy, with a low around 20.