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

Special Weather Statement

Current conditions at

Stampede Pass (KSMP)

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

light rain,fog

33°F

1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.39 in (995.26 mb)
Dewpoint	33°F (1°C)
Visibility	0.25 mi
Last update	24 Dec 11:56 AM PST

More Information:

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

Extended Forecast for

12 Miles NE Snoqualmie Pass WA

This Afternoon
High: 32 °F⇓
Snow and
Areas Blowing
Snow
Tonight
Low: 21 °F
Chance Snow
and Patchy
Blowing Snow
Christmas Day
High: 28 °F
Snow
Thursday Night
Low: 24 °F
Snow
Friday
High: 25 °F
Snow
Friday Night
Low: 17 °F
Breezy. Snow
Likely then
Chance Snow
Saturday
High: 21 °F
Mostly Cloudy
Saturday Night
Low: 16 °F
Mostly Cloudy
Sunday
High: 27 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Snow, mainly before 4pm. Areas of blowing snow. Temperature falling to around 26 by 5pm. Breezy, with a south wind 23 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.

Tonight

A chance of snow before 7pm, then a chance of snow after 4am. Patchy blowing snow after 1am. Mostly cloudy, with a low around 21. West wind 9 to 14 mph becoming light and variable. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

Christmas Day

Snow, mainly after 10am. High near 28. Southeast wind 13 to 18 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow. Low around 24. West wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. High near 25. West wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 17. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday

Mostly cloudy, with a high near 21.

Saturday Night

Mostly cloudy, with a low around 16.

Sunday

Mostly cloudy, with a high near 27.

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.