Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. 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.

41°F

5°C

Humidity	100%
Wind Speed	NNW 0 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	09 Dec 11:52 AM 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, 12:07pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 12:07pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
This Afternoon
High: 38 °F
Rain/Snow
Tonight
Low: 34 °F⇑
Heavy Rain
and Very
Windy
Wednesday
High: 40 °F
Heavy Rain
and Windy
Wednesday Night
Low: 37 °F
Rain and
Windy
Thursday
High: 40 °F
Rain/Snow and
Breezy
Thursday Night
Low: 37 °F
Rain/Snow
Likely then
Chance Rain
Friday
High: 39 °F
Chance Rain
Friday Night
Low: 33 °F
Chance
Rain/Snow

Detailed Forecast

This Afternoon

Rain, possibly mixed with snow. Snow level 6700 feet rising to 8700 feet. High near 38. West southwest wind around 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Rain. The rain could be heavy at times. Temperature rising to around 39 by 11pm. Very windy, with a west southwest wind 21 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 40. Windy, with a southwest wind 22 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain. Snow level 8300 feet. Low around 37. Windy, with a west southwest wind 23 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain before 10am, then rain and snow. Snow level 7700 feet. High near 40. Breezy, with a west wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain likely, possibly mixed with snow before 10pm, then a chance of rain. Snow level 7300 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

A 50 percent chance of rain. Snow level 6800 feet. Mostly cloudy, with a high near 39.

Friday Night

A chance of rain and snow, mainly before 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 33.

Saturday

A chance of snow, mainly after 10am. Partly sunny, with a high near 38.

Saturday Night

Snow. Mostly cloudy, with a low around 32. Breezy.

Sunday

Snow. Mostly cloudy, with a high near 33.

Sunday Night

Snow. Mostly cloudy, with a low around 33.