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.

46°F

8°C

Humidity	94%
Wind Speed	WSW 4 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	44°F (7°C)
Last update	07 Dec 02:25 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, 04:00am until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 43 °F
Showers
Tonight
Low: 40 °F
Showers
Likely
Monday
High: 46 °F
Heavy Rain
and Breezy
Monday Night
Low: 37 °F
Heavy Rain
and Breezy
Tuesday
High: 46 °F
Rain
Tuesday Night
Low: 41 °F
Heavy Rain
and Breezy
Wednesday
High: 46 °F
Heavy Rain
Wednesday Night
Low: 44 °F
Heavy Rain
Thursday
High: 46 °F
Rain

Detailed Forecast

This Afternoon

Showers, mainly after 4pm. High near 43. West southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Showers likely, mainly between 10pm and midnight. Snow level 5000 feet. Mostly cloudy, with a low around 40. West southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Showers, mainly before 10am, then rain after 10am. The rain could be heavy at times. High near 46. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Monday Night

Rain. The rain could be heavy at times. Low around 37. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Tuesday

Rain. High near 46. Southwest wind around 5 mph becoming light and variable. 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. Breezy. Chance of precipitation is 100%.

Wednesday

Rain. The rain could be heavy at times. High near 46. Chance of precipitation is 100%.

Wednesday Night

Rain. The rain could be heavy at times. Cloudy, with a low around 44.

Thursday

Rain. Mostly cloudy, with a high near 46.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45.

Friday

A chance of rain. Mostly cloudy, with a high near 49.