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.

43°F

6°C

Humidity	100%
Wind Speed	ESE 3 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	07 Dec 11:25 AM PST

More Information:

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

Extended Forecast for

15 Miles NE 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: 39 °F
Rain
Tonight
Low: 36 °F
Rain Likely
Monday
High: 42 °F
Heavy Rain
and Breezy
Monday Night
Low: 33 °F
Heavy Rain
and Breezy
Tuesday
High: 38 °F
Rain/Snow
Tuesday Night
Low: 36 °F
Rain/Snow
Wednesday
High: 41 °F
Rain/Snow
Wednesday Night
Low: 34 °F
Rain/Snow
Thursday
High: 38 °F
Rain/Snow
Likely

Detailed Forecast

This Afternoon

Rain, mainly after 4pm. Snow level 6100 feet. High near 39. West southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Rain likely, mainly after midnight. Snow level 5200 feet. Mostly cloudy, with a low around 36. West southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Rain. The rain could be heavy at times. High near 42. Breezy, with a south southwest wind 9 to 15 mph, with gusts as high as 34 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. Snow level 7500 feet lowering to 5600 feet after midnight . Low around 33. Breezy, with a west wind 14 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Tuesday

Rain, possibly mixed with snow. Snow level 4500 feet rising to 5500 feet in the afternoon. High near 38. West southwest wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 1am. The rain could be heavy at times. Low around 36. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times. High near 41. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Rain, possibly mixed with snow. Snow level 5900 feet. Mostly cloudy, with a low around 34.

Thursday

Rain likely, possibly mixed with snow. Snow level 6100 feet. Mostly cloudy, with a high near 38.

Thursday Night

Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 37.

Friday

A chance of rain. Mostly cloudy, with a high near 42.

Friday Night

A chance of rain. Mostly cloudy, with a low around 37.

Saturday

A chance of rain. Partly sunny, with a high near 42.