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.

45°F

7°C

Humidity	86%
Wind Speed	W 5 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	42°F (6°C)
Last update	07 Dec 06:25 PM PST

More Information:

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

Extended Forecast for

10 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

Tonight
Low: 42 °F
Showers
Likely
Monday
High: 49 °F
Heavy Rain
Monday Night
Low: 39 °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: 45 °F
Rain
Thursday
High: 49 °F
Rain
Thursday Night
Low: 46 °F
Rain Likely

Detailed Forecast

Tonight

Showers likely, mainly before 5am. Mostly cloudy, with a low around 42. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers, mainly before 10am, then rain after 10am. The rain could be heavy at times. High near 49. South southwest wind 6 to 14 mph, with gusts as high as 24 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. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Tuesday

Rain. 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. Low around 43. West southwest wind 8 to 11 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. Chance of precipitation is 100%.

Wednesday Night

Rain. Low around 45. Chance of precipitation is 90%.

Thursday

Rain. Mostly cloudy, with a high near 49.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.

Friday

A chance of rain. Mostly cloudy, with a high near 52.

Friday Night

A chance of rain. Mostly cloudy, with a low around 41.