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 27, 07:00 AM PST

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

unknown precip,mist

29°F

-2°C

Humidity	100%
Wind Speed	N 3 MPH
Barometer	29.53 in (1000.0 mb)
Dewpoint	29°F (-2°C)
Visibility	1.00 mi
Last update	25 Dec 08:56 AM PST

More Information:

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

Extended Forecast for

4 Miles N Easton WA

Winter Weather Advisory December 26, 04:00am until December 27, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 30 °F
Snow
Tonight
Low: 24 °F
Snow Likely
then Chance
Snow
Friday
High: 28 °F
Snow
Friday Night
Low: 20 °F
Breezy. Snow
then Chance
Snow
Saturday
High: 22 °F
Mostly Cloudy
Saturday Night
Low: 17 °F
Mostly Cloudy
Sunday
High: 28 °F
Partly Sunny
Sunday Night
Low: 20 °F
Mostly Cloudy
Monday
High: 31 °F
Mostly Cloudy

Detailed Forecast

Christmas Day

Snow, mainly before 4pm. High near 30. Southeast wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 24. Southeast wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow, mainly after 7am. High near 28. Southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow, mainly before 10pm. Low around 20. Breezy, with a west wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday

Mostly cloudy, with a high near 22. West wind 10 to 16 mph, with gusts as high as 25 mph.

Saturday Night

Mostly cloudy, with a low around 17.

Sunday

Partly sunny, with a high near 28.

Sunday Night

Mostly cloudy, with a low around 20.

Monday

Mostly cloudy, with a high near 31.

Monday Night

Mostly cloudy, with a low around 24.