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	SSE 1 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	25 Dec 01:25 PM PST

More Information:

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

Extended Forecast for

8 Miles NE 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: 38 °F
Chance
Rain/Snow
Tonight
Low: 29 °F
Slight Chance
Rain/Snow
then Chance
Snow Showers
Friday
High: 34 °F
Heavy Snow
Friday Night
Low: 26 °F
Heavy Snow
Saturday
High: 29 °F
Snow Likely
then Chance
Snow Showers
Saturday Night
Low: 22 °F
Mostly Cloudy
Sunday
High: 34 °F
Partly Sunny
Sunday Night
Low: 25 °F
Mostly Cloudy
Monday
High: 39 °F
Partly Sunny

Detailed Forecast

Christmas Day

A chance of rain and snow showers. Snow level 4100 feet. Partly sunny, with a high near 38. South southeast wind around 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tonight

A slight chance of rain and snow showers before 7pm, then a chance of snow showers after 10pm. Mostly cloudy, with a low around 29. South southeast wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

Friday

Snow. The snow could be heavy at times. High near 34. West wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

Friday Night

Snow. The snow could be heavy at times. Low around 26. West wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Saturday

Snow likely before 10am, then a chance of snow showers after 10am. Mostly cloudy, with a high near 29. West northwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 22.

Sunday

Partly sunny, with a high near 34.

Sunday Night

Mostly cloudy, with a low around 25.

Monday

Partly sunny, with a high near 39.

Monday Night

Mostly cloudy, with a low around 29.

Tuesday

Partly sunny, with a high near 42.