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

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

53°F

12°C

Humidity	79%
Wind Speed	SW 4 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	07 Dec 09:05 PM PST

More Information:

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

Extended Forecast for

10 Miles NE Cascade Locks OR

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

Click here for hazard details and duration

Flood Watch

Tonight
Low: 45 °F
Breezy.
Chance
Showers then
Showers
Likely
Monday
High: 49 °F
Heavy Rain
and Windy
Monday Night
Low: 42 °F
Heavy Rain
and Very
Windy
Tuesday
High: 49 °F
Rain
Tuesday Night
Low: 45 °F
Heavy Rain
and Windy
Wednesday
High: 49 °F
Heavy Rain
and Windy
Wednesday Night
Low: 47 °F
Rain and
Breezy
Thursday
High: 50 °F
Rain and
Breezy
Thursday Night
Low: 47 °F
Chance Rain

Detailed Forecast

Tonight

Showers likely, mainly between 3am and 4am. Mostly cloudy, with a low around 45. Breezy, with a west wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers before 10am, then rain after 10am. The rain could be heavy at times. High near 49. Windy, with a west southwest wind 18 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Monday Night

Rain. The rain could be heavy at times. Low around 42. Very windy, with a west southwest wind around 30 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. High near 49. West wind 9 to 14 mph, with gusts as high as 26 mph. 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 45. Windy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 43 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. Windy. Chance of precipitation is 100%.

Wednesday Night

Rain. Low around 47. Breezy. Chance of precipitation is 90%.

Thursday

Rain. Mostly cloudy, with a high near 50. Breezy.

Thursday Night

A chance of rain. Mostly cloudy, with a low around 47.

Friday

A chance of rain. Partly sunny, with a high near 51.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 42.