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, 04:00 PM PST

Current conditions at

DRY CRK (DCCW1)

Lat: 45.94361°NLon: 121.9875°WElev: 2697.0ft.

35°F

2°C

Humidity	100%
Wind Speed	E 3 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	25 Dec 09:25 AM PST

More Information:

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

Extended Forecast for

6 Miles E Mount St Helens WA

Winter Weather Advisory December 26, 04:00am until December 27, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 45 °F
Rain then
Rain Likely
Tonight
Low: 33 °F
Chance Rain
then Showers
Likely
Friday
High: 38 °F
Showers
Friday Night
Low: 30 °F
Snow Showers
Saturday
High: 35 °F
Chance Snow
Showers
Saturday Night
Low: 26 °F
Mostly Cloudy
Sunday
High: 40 °F
Partly Sunny
Sunday Night
Low: 28 °F
Mostly Cloudy
Monday
High: 44 °F
Partly Sunny

Detailed Forecast

Christmas Day

Rain, mainly before 3pm. High near 45. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

A chance of rain between 2am and 4am, then showers likely after 4am. Snow level 3600 feet lowering to 2900 feet after midnight . Mostly cloudy, with a low around 33. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Showers. Snow level 2600 feet. High near 38. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Snow showers. Low around 30. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. West northwest wind around 6 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 26.

Sunday

Partly sunny, with a high near 40.

Sunday Night

Mostly cloudy, with a low around 28.

Monday

Partly sunny, with a high near 44.

Monday Night

Mostly cloudy, with a low around 31.

Tuesday

Mostly cloudy, with a high near 46.