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.

snow,fog

32°F

0°C

Humidity	100%
Wind Speed	N 3 MPH
Barometer	29.4 in (995.6 mb)
Dewpoint	32°F (0°C)
Visibility	0.25 mi
Last update	24 Dec 08:26 AM PST

More Information:

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

Extended Forecast for

11 Miles NNW Roslyn WA

Today
High: 35 °F
Rain/Snow and
Patchy
Blowing Snow
Tonight
Low: 25 °F
Chance Snow
Christmas Day
High: 33 °F
Snow
Thursday Night
Low: 28 °F
Snow
Friday
High: 31 °F
Snow
Friday Night
Low: 22 °F
Snow Likely
then Chance
Snow
Saturday
High: 28 °F
Mostly Cloudy
Saturday Night
Low: 20 °F
Mostly Cloudy
Sunday
High: 32 °F
Mostly Cloudy

Detailed Forecast

Today

Rain and snow. Patchy blowing snow before 10am. High near 35. South wind 16 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of snow before 7pm, then a chance of snow after 4am. Mostly cloudy, with a low around 25. West wind 6 to 9 mph becoming east in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

Christmas Day

Snow, mainly after 10am. High near 33. East wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday Night

Snow, mainly before 10pm. Low around 28. West wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 31. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

Mostly cloudy, with a high near 28.

Saturday Night

Mostly cloudy, with a low around 20.

Sunday

Mostly cloudy, with a high near 32.

Sunday Night

Mostly cloudy, with a low around 24.

Monday

Mostly cloudy, with a high near 36.

Monday Night

Mostly cloudy, with a low around 27.