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	80%
Wind Speed	SW 6 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	07 Dec 10:15 PM PST

More Information:

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

Extended Forecast for

4 Miles SW 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: 46 °F
Showers
Likely
Monday
High: 53 °F
Showers and
Breezy
Monday Night
Low: 44 °F
Heavy Rain
and Windy
Tuesday
High: 53 °F
Rain
Tuesday Night
Low: 48 °F
Heavy Rain
and Breezy
Wednesday
High: 53 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 49 °F
Rain
Thursday
High: 54 °F
Rain
Thursday Night
Low: 48 °F
Rain Likely

Detailed Forecast

Tonight

Showers likely, mainly after 5am. Mostly cloudy, with a low around 46. West southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Showers before 10am, then rain after 10am. High near 53. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 37 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 44. Windy, with a southwest wind 18 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. High near 53. Southwest wind 6 to 8 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 48. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 32 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 53. Breezy. Chance of precipitation is 100%.

Wednesday Night

Rain. Low around 49. Chance of precipitation is 90%.

Thursday

Rain. Mostly cloudy, with a high near 54.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48.

Friday

A chance of rain, mainly before 10am. Partly sunny, with a high near 55.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 44.