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

DRY CRK (DCCW1)

Lat: 45.94361°NLon: 121.9875°WElev: 2697.0ft.

43°F

6°C

Humidity	100%
Wind Speed	W 0 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	09 Dec 05:25 PM PST

More Information:

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

Extended Forecast for

13 Miles NNE Mount St Helens WA

Flood Watch December 9, 06:14pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 06:14pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 40 °F⇑
Heavy Rain
and Windy
Wednesday
High: 45 °F
Rain and
Windy
Wednesday Night
Low: 43 °F
Rain and
Windy
Thursday
High: 43 °F
Rain and
Breezy
Thursday Night
Low: 41 °F
Rain
Friday
High: 42 °F
Rain/Snow
Likely then
Rain Likely
Friday Night
Low: 38 °F
Chance Rain
Saturday
High: 43 °F
Chance Rain

Detailed Forecast

Tonight

Rain. The rain could be heavy at times. Temperature rising to around 44 by 11pm. Windy, with a southwest wind 10 to 15 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday

Rain. High near 45. Windy, with a southwest wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night

Rain. Steady temperature around 43. Windy, with a west southwest wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. Snow level 7800 feet lowering to 7100 feet in the afternoon . High near 43. Breezy, with a west northwest wind 6 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Snow level 7100 feet. Low around 41. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain likely, possibly mixed with snow, becoming all rain after 10am. Snow level 6200 feet rising to 6800 feet in the afternoon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 38.

Saturday

A chance of rain. Snow level 6300 feet. Partly sunny, with a high near 43.

Saturday Night

Rain likely before 4am, then rain, possibly mixed with snow. Snow level 6300 feet. Mostly cloudy, with a low around 37.

Sunday

Rain and snow. Snow level 5900 feet. Mostly cloudy, with a high near 38.

Sunday Night

Rain and snow likely. Snow level 6100 feet. Mostly cloudy, with a low around 36.

Monday

Rain, possibly mixed with snow. Snow level 6800 feet. Cloudy, with a high near 40. Breezy.