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.

Mist

30°F

-1°C

Humidity	95%
Wind Speed	N 0 MPH
Barometer	29.59 in (1002.03 mb)
Dewpoint	29°F (-2°C)
Visibility	10.00 mi
Last update	25 Dec 11:56 PM PST

More Information:

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

Extended Forecast for

8 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

Overnight
Low: 29 °F
Slight Chance
Rain/Snow and
Patchy
Freezing Fog
Friday
High: 36 °F
Rain/Snow and
Patchy
Freezing Fog
Friday Night
Low: 25 °F
Snow then
Snow Likely
Saturday
High: 30 °F
Slight Chance
Snow then
Partly Sunny
Saturday Night
Low: 20 °F
Mostly Cloudy
Sunday
High: 34 °F
Partly Sunny
Sunday Night
Low: 25 °F
Mostly Cloudy
Monday
High: 38 °F
Mostly Cloudy
Monday Night
Low: 28 °F
Mostly Cloudy

Detailed Forecast

Overnight

A slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Patchy fog before 1am. Patchy freezing fog. Otherwise, mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.

Friday

A slight chance of snow before 7am, then snow, possibly mixed with rain between 7am and 1pm, then snow after 1pm. Patchy fog between 7am and 10am. Patchy freezing fog before 10am. High near 36. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow, mainly before 4am. Low around 25. West wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday

A 20 percent chance of snow before 10am. Partly sunny, with a high near 30. West wind around 5 mph.

Saturday Night

Mostly cloudy, with a low around 20. Calm wind.

Sunday

Partly sunny, with a high near 34.

Sunday Night

Mostly cloudy, with a low around 25.

Monday

Mostly cloudy, with a high near 38.

Monday Night

Mostly cloudy, with a low around 28.