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.

41°F

5°C

Humidity	97%
Wind Speed	W 7 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	36°F (2°C)
Last update	09 Dec 04:25 AM PST

More Information:

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

Extended Forecast for

8 Miles NE Mount St Helens WA

Flood Watch December 9, 05:07am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 05:07am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 36 °F
Rain/Snow
Tuesday
High: 45 °F
Rain/Snow
Likely then
Rain/Snow
Tuesday Night
Low: 42 °F⇑
Heavy Rain
Wednesday
High: 47 °F
Heavy Rain
Wednesday Night
Low: 44 °F
Rain
Thursday
High: 45 °F
Rain
Thursday Night
Low: 44 °F
Rain Likely
then Chance
Rain
Friday
High: 47 °F
Chance Rain

Detailed Forecast

Overnight

Rain and snow. Snow level 4100 feet. Low around 36. North northwest wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday

Rain likely, possibly mixed with snow before 1pm, then rain. Snow level 3800 feet rising to 8500 feet in the afternoon. High near 45. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain. The rain could be heavy at times. Temperature rising to around 46 by midnight. West southwest wind 10 to 14 mph, with gusts as high as 31 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 47. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 44. West southwest wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday

Rain. High near 45. Chance of precipitation is 100%.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

Friday

A chance of rain. Mostly cloudy, with a high near 47.

Friday Night

A chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 39.

Saturday

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

Saturday Night

Rain. Snow level 5800 feet. Mostly cloudy, with a low around 39.