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

CANYON CREEK (CYFW1)

Lat: 45.92944°NLon: 122.20278°WElev: 2592.0ft.

38°F

3°C

Humidity	99%
Wind Speed	SE 10 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Wind Chill	31°F (-1°C)
Last update	25 Dec 10:52 AM PST

More Information:

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

Extended Forecast for

2 Miles NNW 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: 30 °F
Chance Snow
and Windy
Tonight
Low: 23 °F
Breezy.
Chance Snow
then Snow
Showers
Friday
High: 26 °F⇓
Heavy Snow
and Windy
Friday Night
Low: 20 °F
Snow Showers
and Windy
Saturday
High: 22 °F
Chance Snow
Showers and
Blustery
Saturday Night
Low: 17 °F
Mostly Cloudy
Sunday
High: 26 °F
Partly Sunny
Sunday Night
Low: 20 °F
Mostly Cloudy
and Breezy
Monday
High: 30 °F
Mostly Cloudy
and Blustery

Detailed Forecast

Christmas Day

A 50 percent chance of snow, mainly after 3pm. Partly sunny, with a high near 30. Windy, with a south wind 13 to 23 mph, with gusts as high as 29 mph. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

A chance of snow between 1am and 4am, then snow showers after 4am. Low around 23. Breezy, with a south wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers. The snow could be heavy at times. Temperature falling to around 19 by 4pm. Windy, with a west southwest wind 17 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow showers. Low around 20. Windy, with a west wind 26 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

A 50 percent chance of snow showers. Mostly cloudy, with a high near 22. Blustery, with a west northwest wind 9 to 18 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

Saturday Night

Mostly cloudy, with a low around 17.

Sunday

Partly sunny, with a high near 26.

Sunday Night

Mostly cloudy, with a low around 20. Breezy.

Monday

Mostly cloudy, with a high near 30. Blustery.

Monday Night

Mostly cloudy, with a low around 23. Blustery.

Tuesday

Mostly cloudy, with a high near 32. Breezy.