Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Flood Watch until December 11, 04:00 PM PST

Current conditions at

CANYON CREEK (CYFW1)

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

47°F

8°C

Humidity	100%
Wind Speed	SSE 8 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	09 Dec 06:52 PM PST

More Information:

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

Extended Forecast for

Mount St Helens WA

Flood Watch December 9, 07:51pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 07:51pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 37 °F
Heavy Rain
and Windy
Wednesday
High: 42 °F
Heavy Rain
and Windy
Wednesday Night
Low: 40 °F
Heavy Rain
and Windy
Thursday
High: 42 °F
Rain and
Breezy
Thursday Night
Low: 40 °F
Rain
Friday
High: 42 °F
Rain Likely
Friday Night
Low: 37 °F
Chance Rain
Saturday
High: 41 °F
Chance Rain

Detailed Forecast

Tonight

Rain. The rain could be heavy at times. Low around 37. Windy, with a southwest wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 42. Windy, with a southwest wind 21 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. The rain could be heavy at times. Low around 40. Windy, with a west southwest wind around 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. High near 42. Breezy, with a west wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Snow level 7600 feet lowering to 7000 feet after midnight . Low around 40. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain likely, mainly before 4pm. Snow level 6200 feet rising to 6800 feet in the afternoon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 37.

Saturday

A chance of rain, mainly after 10am. Snow level 6400 feet. Partly sunny, with a high near 41.

Saturday Night

Rain, mainly after 10pm. Snow level 6300 feet. Mostly cloudy, with a low around 35.

Sunday

Rain, possibly mixed with snow. Snow level 6000 feet. Mostly cloudy, with a high near 36.

Sunday Night

Rain and snow likely. Snow level 6100 feet. Mostly cloudy, with a low around 34.

Monday

Rain, possibly mixed with snow. Snow level 6800 feet. Cloudy, with a high near 38. Breezy.