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.

light snow,freezing fog

31°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.53 in (1000.0 mb)
Dewpoint	31°F (-1°C)
Visibility	0.25 mi
Last update	25 Dec 01:42 PM PST

More Information:

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

Extended Forecast for

7 Miles NW 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: 34 °F
Rain/Snow and
Patchy Fog
Tonight
Low: 27 °F
Chance
Rain/Snow and
Patchy
Freezing Fog
Friday
High: 32 °F
Snow
Friday Night
Low: 24 °F
Snow
Saturday
High: 27 °F
Slight Chance
Snow then
Partly Sunny
Saturday Night
Low: 18 °F
Mostly Cloudy
Sunday
High: 31 °F
Partly Sunny
Sunday Night
Low: 23 °F
Mostly Cloudy
Monday
High: 35 °F
Mostly Cloudy

Detailed Forecast

Christmas Day

Rain, possibly mixed with snow, mainly before 4pm. Patchy fog after 4pm. High near 34. Southeast wind around 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tonight

A chance of rain and snow before 10pm, then a slight chance of snow after 1am. Patchy fog before 10pm. Patchy freezing fog after 7pm. Otherwise, mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 40%.

Friday

Snow, mainly after 7am. High near 32. Light and variable wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow, mainly before 4am. Low around 24. West wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

A 20 percent chance of snow before 10am. Partly sunny, with a high near 27. West wind around 6 mph.

Saturday Night

Mostly cloudy, with a low around 18.

Sunday

Partly sunny, with a high near 31.

Sunday Night

Mostly cloudy, with a low around 23.

Monday

Mostly cloudy, with a high near 35.

Monday Night

Mostly cloudy, with a low around 27.