Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Flood Watch until December 12, 04:00 AM PST

Current conditions at

CANYON CREEK (CYFW1)

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

42°F

6°C

Humidity	100%
Wind Speed	NNW 1 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	09 Dec 02:52 AM PST

More Information:

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

Extended Forecast for

4 Miles SSE Mount St Helens WA

Flood Watch December 9, 03:25am until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 03:25am until December 12, 04:00am
NOW until 4:00am Fri
Flood Watch
Overnight
Low: 39 °F
Heavy Rain
Tuesday
High: 46 °F
Rain
Tuesday Night
Low: 42 °F⇑
Heavy Rain
and Breezy
Wednesday
High: 48 °F
Heavy Rain
Wednesday Night
Low: 46 °F
Rain
Thursday
High: 47 °F
Rain
Thursday Night
Low: 45 °F
Rain Likely
then Chance
Rain
Friday
High: 48 °F
Chance Rain

Detailed Forecast

Overnight

Rain. The rain could be heavy at times. Low around 39. West wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Rain. Snow level 4500 feet rising to 8700 feet in the afternoon. High near 46. North wind around 6 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. The rain could be heavy at times. Temperature rising to around 48 by midnight. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 30 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 48. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain. Low around 46. Southwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. High near 47. Chance of precipitation is 90%.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

Friday

A chance of rain. Mostly cloudy, with a high near 48.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 41.

Saturday

A chance of rain, mainly after 10am. Partly sunny, with a high near 48.

Saturday Night

Rain. Mostly cloudy, with a low around 41.