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 8 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	07 Dec 09:35 PM PST

More Information:

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

Extended Forecast for

4 Miles SSW 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: 47 °F
Chance
Showers then
Showers
Monday
High: 54 °F
Showers and
Breezy
Monday Night
Low: 45 °F
Heavy Rain
and Breezy
Tuesday
High: 54 °F
Heavy Rain
Tuesday Night
Low: 48 °F
Heavy Rain
Wednesday
High: 54 °F
Heavy Rain
Wednesday Night
Low: 50 °F
Rain
Thursday
High: 54 °F
Rain
Thursday Night
Low: 49 °F
Rain Likely

Detailed Forecast

Tonight

Showers. Low around 47. West southwest wind 3 to 7 mph. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers before 10am, then rain after 10am. High near 54. Breezy, with a southwest wind 8 to 16 mph, with gusts as high as 34 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 45. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Tuesday

Rain. The rain could be heavy at times. High near 54. West southwest wind 3 to 6 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. West southwest wind 10 to 13 mph, with gusts as high as 20 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 54. Chance of precipitation is 100%.

Wednesday Night

Rain. Low around 50. 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 49.

Friday

A chance of rain. Partly sunny, with a high near 56.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 45.