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

16 Miles W 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: 18 °F
Slight Chance
Snow
Friday
High: 21 °F⇓
Heavy Snow
and Breezy
Friday Night
Low: 5 °F
Heavy Snow
and Breezy
Saturday
High: 12 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 4 °F
Mostly Cloudy
Sunday
High: 19 °F
Partly Sunny
Sunday Night
Low: 13 °F
Mostly Cloudy
Monday
High: 25 °F
Mostly Cloudy
Monday Night
Low: 18 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 18. South wind around 16 mph.

Friday

Snow, mainly after 7am. The snow could be heavy at times. Temperature falling to around 14 by 5pm. Wind chill values as low as -3. Breezy, with a south wind 17 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow, mainly before 4am. The snow could be heavy at times. Low around 5. Wind chill values as low as -14. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Saturday

A 30 percent chance of snow before 10am. Mostly sunny, with a high near 12. Wind chill values as low as -13. Northwest wind 9 to 14 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 4. Northwest wind 6 to 8 mph.

Sunday

Partly sunny, with a high near 19.

Sunday Night

Mostly cloudy, with a low around 13.

Monday

Mostly cloudy, with a high near 25.

Monday Night

Mostly cloudy, with a low around 18.

Tuesday

A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 29.