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.

37°F

3°C

Humidity	94%
Wind Speed	ESE 2 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	26 Dec 01:52 AM PST

More Information:

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

Extended Forecast for

6 Miles N 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

Overnight
Low: 34 °F
Chance
Rain/Snow
Friday
High: 36 °F
Heavy Snow
Friday Night
Low: 30 °F
Heavy Snow
and Breezy
Saturday
High: 32 °F
Snow Showers
Likely then
Chance Snow
Showers
Saturday Night
Low: 23 °F
Mostly Cloudy
Sunday
High: 36 °F
Partly Sunny
Sunday Night
Low: 26 °F
Mostly Cloudy
Monday
High: 41 °F
Mostly Cloudy
Monday Night
Low: 30 °F
Mostly Cloudy

Detailed Forecast

Overnight

A chance of rain and snow showers after 3am. Snow level 3300 feet. Mostly cloudy, with a steady temperature around 34. East wind around 6 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

Friday

Snow showers, mainly before 3pm. The snow could be heavy at times. High near 36. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow showers, mainly before 2am. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 30. Breezy, with a west wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Saturday

Snow showers likely, mainly before 10am. Partly sunny, with a high near 32. West wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday Night

Mostly cloudy, with a low around 23. Light west wind.

Sunday

Partly sunny, with a high near 36.

Sunday Night

Mostly cloudy, with a low around 26.

Monday

Mostly cloudy, with a high near 41.

Monday Night

Mostly cloudy, with a low around 30.

Tuesday

Mostly cloudy, with a high near 43.