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 >

Current conditions at

Stampede Pass (KSMP)

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

light rain,mist

34°F

1°C

Humidity	100%
Wind Speed	W 6 MPH
Barometer	29.49 in (998.65 mb)
Dewpoint	34°F (1°C)
Visibility	0.75 mi
Wind Chill	29°F (-2°C)
Last update	24 Dec 02:33 PM PST

More Information:

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

Extended Forecast for

15 Miles S Stevens Pass WA

This Afternoon
High: 35 °F
Rain/Snow
Likely
Tonight
Low: 23 °F
Slight Chance
Rain/Snow
then Mostly
Cloudy
Christmas Day
High: 35 °F
Rain/Snow
Thursday Night
Low: 25 °F
Rain/Snow
then Snow
Likely
Friday
High: 34 °F
Heavy Snow
Friday Night
Low: 19 °F
Heavy Snow
then Chance
Snow
Saturday
High: 28 °F
Slight Chance
Snow then
Partly Sunny
Saturday Night
Low: 16 °F
Mostly Cloudy
Sunday
High: 32 °F
Partly Sunny

Detailed Forecast

This Afternoon

Rain and snow likely, mainly before 4pm. Mostly cloudy, with a steady temperature around 35. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A slight chance of rain and snow before 7pm. Mostly cloudy, with a low around 23. West wind around 6 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 10%.

Christmas Day

A chance of snow before 10am, then rain and snow. High near 35. South wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Thursday Night

Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 25. Light southwest wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Snow. The snow could be heavy at times. High near 34. Southwest wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow, mainly before 10pm. The snow could be heavy at times. Low around 19. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday

A 20 percent chance of snow before 10am. Partly sunny, with a high near 28.

Saturday Night

Mostly cloudy, with a low around 16.

Sunday

Partly sunny, with a high near 32.

Sunday Night

Mostly cloudy, with a low around 21.

Monday

Partly sunny, with a high near 35.

Monday Night

Mostly cloudy, with a low around 24.