Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Flood Watch in effect from December 8, 10:00 AM PST until December 12, 04:00 AM PST

Current conditions at

CANYON CREEK (CYFW1)

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

48°F

9°C

Humidity	100%
Wind Speed	SE 13 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	08 Dec 12:52 PM 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 until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until December 12, 04:00am
NOW until 4:00am Fri
Flood Watch
This Afternoon
High: 46 °F
Heavy Rain
and Breezy
Tonight
Low: 39 °F
Heavy Rain
and Breezy
Tuesday
High: 47 °F
Rain
Tuesday Night
Low: 42 °F
Heavy Rain
and Breezy
Wednesday
High: 49 °F
Heavy Rain
Wednesday Night
Low: 46 °F
Rain
Thursday
High: 47 °F
Rain
Thursday Night
Low: 45 °F
Rain Likely

Detailed Forecast

This Afternoon

Rain. The rain could be heavy at times. High near 46. Breezy, with a southwest wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Tonight

Rain. The rain could be heavy at times. Low around 39. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Tuesday

Rain. Snow level 4300 feet rising to 8700 feet in the afternoon. High near 47. North wind around 6 mph becoming southwest 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. Low around 42. Breezy, with a southwest wind 9 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 49. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain. Low around 46. Chance of precipitation is 100%.

Thursday

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

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.

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

Rain likely. Partly sunny, with a high near 46.