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

DRY CRK (DCCW1)

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

49°F

9°C

Humidity	92%
Wind Speed	SW 7 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Wind Chill	46°F (8°C)
Last update	08 Dec 07:25 PM PST

More Information:

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

Extended Forecast for

5 Miles ESE Mount St Helens WA

Flood Watch December 8, 08:11pm until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 8, 08:11pm until December 12, 04:00am
NOW until 4:00am Fri
Flood Watch
Tonight
Low: 38 °F
Heavy Rain
and Breezy
Tuesday
High: 47 °F
Rain
Tuesday Night
Low: 43 °F⇑
Heavy Rain
Wednesday
High: 49 °F
Heavy Rain
Wednesday Night
Low: 46 °F
Rain
Thursday
High: 48 °F
Rain
Thursday Night
Low: 45 °F
Rain Likely
then Chance
Rain
Friday
High: 50 °F
Chance Rain

Detailed Forecast

Tonight

Rain. The rain could be heavy at times. Low around 38. Breezy, with a southwest wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Tuesday

Rain. Snow level 4100 feet rising to 8600 feet in the afternoon. High near 47. Light and variable wind. 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 47 by 10pm. Southwest wind 6 to 10 mph, with gusts as high as 25 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 49. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 46. West southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. High near 48. Chance of precipitation is 90%.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

Friday

A chance of rain. Mostly cloudy, with a high near 50.

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 likely. Mostly cloudy, with a low around 40.