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

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

25°F

-4°C

Humidity	NA
Wind Speed	ESE 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

6 Miles SSW Stevens Pass WA

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

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 29 °F
Snow
Tonight
Low: 22 °F
Snow Likely
then Chance
Snow
Friday
High: 26 °F⇓
Heavy Snow
and Breezy
Friday Night
Low: 16 °F
Windy. Heavy
Snow then
Snow Likely
Saturday
High: 17 °F
Slight Chance
Snow then
Partly Sunny
Saturday Night
Low: 14 °F
Mostly Cloudy
Sunday
High: 25 °F
Partly Sunny
Sunday Night
Low: 18 °F
Mostly Cloudy
Monday
High: 29 °F
Mostly Cloudy

Detailed Forecast

Christmas Day

Snow, mainly after 10am. High near 29. Southeast wind 9 to 17 mph becoming south in the afternoon. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Snow likely, mainly before 1am. Mostly cloudy, with a low around 22. Southwest wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday

Snow, mainly after 7am. The snow could be heavy at times. Temperature falling to around 21 by 4pm. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow, mainly before 4am. The snow could be heavy at times. Low around 16. Wind chill values as low as -1. Windy, with a west wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Saturday

A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 17. West wind 10 to 17 mph.

Saturday Night

Mostly cloudy, with a low around 14.

Sunday

Partly sunny, with a high near 25.

Sunday Night

Mostly cloudy, with a low around 18.

Monday

Mostly cloudy, with a high near 29.

Monday Night

Mostly cloudy, with a low around 23.