Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Flood Watch until December 11, 04:00 PM PST

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

47°F

8°C

Humidity	91%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	09 Dec 08:15 PM PST

More Information:

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

Extended Forecast for

2 Miles ENE Cascade Locks OR

Flood Watch December 9, 08:34pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 08:34pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 56 °F
Heavy Rain
and Windy
Wednesday
High: 58 °F
Rain and Very
Windy
Wednesday Night
Low: 53 °F
Rain and
Windy
Thursday
High: 57 °F
Rain and
Windy
Thursday Night
Low: 52 °F
Rain Likely
Friday
High: 57 °F
Chance Rain
Friday Night
Low: 49 °F
Chance Rain
then Mostly
Cloudy
Saturday
High: 56 °F
Slight Chance
Rain

Detailed Forecast

Tonight

Rain, mainly after 4am. The rain could be heavy at times. Steady temperature around 56. Windy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday

Rain. High near 58. Very windy, with a west southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 53. Windy, with a west southwest wind around 24 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain. High near 57. Windy, with a west southwest wind 15 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. West southwest wind 8 to 10 mph. Chance of precipitation is 60%.

Friday

A 30 percent chance of rain. Mostly cloudy, with a high near 57.

Friday Night

A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 49.

Saturday

A slight chance of rain after 10am. Partly sunny, with a high near 56.

Saturday Night

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

Sunday

Rain likely, mainly before 4pm. Mostly cloudy, with a high near 52.