Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

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

Current conditions at

DRY CRK (DCCW1)

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

42°F

6°C

Humidity	100%
Wind Speed	E 2 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	07 Dec 10:25 AM PST

More Information:

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

Extended Forecast for

6 Miles E Mount St Helens WA

Flood Watch December 8, 04:00am until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Today
High: 48 °F
Rain
Tonight
Low: 42 °F
Chance Rain
then Rain
Likely
Monday
High: 50 °F
Heavy Rain
Monday Night
Low: 39 °F
Heavy Rain
Tuesday
High: 48 °F
Rain
Tuesday Night
Low: 41 °F
Heavy Rain
Wednesday
High: 50 °F
Heavy Rain
Wednesday Night
Low: 39 °F
Rain
Thursday
High: 48 °F
Rain Likely

Detailed Forecast

Today

Rain. High near 48. Southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain likely, mainly after midnight. Mostly cloudy, with a low around 42. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

Monday

Rain. The rain could be heavy at times. High near 50. Southwest wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Monday Night

Rain. The rain could be heavy at times. Low around 39. Southwest wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. High near 48. Light west southwest 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. Low around 41. Chance of precipitation is 100%.

Wednesday

Rain. The rain could be heavy at times. High near 50. Chance of precipitation is 100%.

Wednesday Night

Rain. Mostly cloudy, with a low around 39.

Thursday

Rain likely. Mostly cloudy, with a high near 48.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.