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

DRY CRK (DCCW1)

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

38°F

3°C

Humidity	97%
Wind Speed	NW 2 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	09 Dec 11:25 AM PST

More Information:

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

Extended Forecast for

9 Miles NNE Mount St Helens WA

Flood Watch December 9, 12:34pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 12:34pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
This Afternoon
High: 41 °F
Rain/Snow
Tonight
Low: 37 °F⇑
Heavy Rain
and Windy
Wednesday
High: 43 °F
Heavy Rain
and Windy
Wednesday Night
Low: 40 °F
Rain and
Breezy
Thursday
High: 42 °F
Rain then
Rain/Snow
Thursday Night
Low: 39 °F
Rain/Snow
Likely then
Chance Rain
Friday
High: 42 °F
Chance Rain
Friday Night
Low: 36 °F
Chance Rain

Detailed Forecast

This Afternoon

Rain and snow likely before 1pm, then rain. Snow level 5800 feet rising to 8400 feet. High near 41. Northwest wind around 7 mph becoming south southwest. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Rain. The rain could be heavy at times. Temperature rising to around 42 by 11pm. Windy, with a southwest wind 17 to 25 mph, with gusts as high as 39 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 43. Windy, with a southwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 40. Breezy, with a west southwest wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain before 4pm, then rain likely, possibly mixed with snow. High near 42. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain likely, possibly mixed with snow, becoming all rain after 7pm. Mostly cloudy, with a low around 39. 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 42.

Friday Night

A chance of rain, mainly before 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 36.

Saturday

A chance of rain, mainly after 10am. Snow level 6100 feet. Partly sunny, with a high near 42.

Saturday Night

Rain likely before 10pm, then rain and snow. Snow level 5800 feet. Mostly cloudy, with a low around 36.

Sunday

Rain and snow. Snow level 5100 feet. Mostly cloudy, with a high near 36.

Sunday Night

Rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 35.