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.

unknown precip,mist

31°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.62 in (1003.05 mb)
Dewpoint	31°F (-1°C)
Visibility	4.00 mi
Last update	24 Dec 08:11 PM PST

More Information:

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

Extended Forecast for

8 Miles N Roslyn WA

Tonight
Low: 28 °F
Partly Cloudy
Christmas Day
High: 39 °F
Rain/Snow and
Patchy Fog
Thursday Night
Low: 30 °F
Rain/Snow
Likely and
Patchy Fog
Friday
High: 38 °F
Rain/Snow
Friday Night
Low: 26 °F
Snow then
Chance Snow
Saturday
High: 34 °F
Partly Sunny
Saturday Night
Low: 22 °F
Mostly Cloudy
Sunday
High: 37 °F
Partly Sunny
Sunday Night
Low: 26 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 28. North wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Christmas Day

Rain and snow, mainly after 10am. Patchy fog after 4pm. High near 39. Southeast wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday Night

Rain and snow likely before 1am, then a chance of rain between 1am and 4am, then snow likely, possibly mixed with rain after 4am. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Rain and snow, becoming all snow after 1pm. High near 38. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Friday Night

Snow, mainly before 10pm. Low around 26. West wind around 8 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

Partly sunny, with a high near 34.

Saturday Night

Mostly cloudy, with a low around 22.

Sunday

Partly sunny, with a high near 37.

Sunday Night

Mostly cloudy, with a low around 26.

Monday

Partly sunny, with a high near 40.

Monday Night

Mostly cloudy, with a low around 28.