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.

40°F

4°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	09 Dec 04:52 AM PST

More Information:

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

Extended Forecast for

3 Miles NNE Mount St Helens WA

Flood Watch December 9, 05:18am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 05:18am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 34 °F
Rain/Snow
Tuesday
High: 42 °F
Rain/Snow
Likely then
Rain/Snow
Tuesday Night
Low: 39 °F⇑
Heavy Rain
and Windy
Wednesday
High: 44 °F
Heavy Rain
and Windy
Wednesday Night
Low: 42 °F
Rain and
Breezy
Thursday
High: 44 °F
Rain
Thursday Night
Low: 42 °F
Rain Likely
then Chance
Rain
Friday
High: 44 °F
Chance Rain

Detailed Forecast

Overnight

Snow, possibly mixed with rain. Snow level 4300 feet. Low around 34. West northwest wind around 10 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

Tuesday

Rain likely, possibly mixed with snow before 1pm, then rain. Snow level rising to 8600 feet in the afternoon. High near 42. West northwest wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Rain. The rain could be heavy at times. Temperature rising to around 44 by midnight. Windy, with a southwest wind 17 to 24 mph, with gusts as high as 41 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 44. Windy, with a southwest wind 18 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 42. Breezy, with a west southwest wind 18 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday

Rain. High near 44. Chance of precipitation is 100%.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

Friday

A chance of rain. Mostly cloudy, with a high near 44.

Friday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38.

Saturday

A chance of rain, mainly after 10am. Snow level 6100 feet. Partly sunny, with a high near 44.

Saturday Night

Rain. Snow level 5800 feet. Mostly cloudy, with a low around 37.