Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Flood Watch in effect from December 8, 10:00 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.

56°F

13°C

Humidity	91%
Wind Speed	NNE 3 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	08 Dec 12:05 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 until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until December 12, 04:00am
NOW until 4:00am Fri
Flood Watch
This Afternoon
High: 49 °F
Rain and
Windy
Tonight
Low: 42 °F
Heavy Rain
and Very
Windy
Tuesday
High: 50 °F
Rain and
Breezy
Tuesday Night
Low: 47 °F
Heavy Rain
and Windy
Wednesday
High: 50 °F
Heavy Rain
and Windy
Wednesday Night
Low: 49 °F
Rain and
Breezy
Thursday
High: 50 °F
Rain and
Breezy
Thursday Night
Low: 47 °F
Chance Rain

Detailed Forecast

This Afternoon

Rain. High near 49. Windy, with a west southwest wind 22 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Tonight

Rain. The rain could be heavy at times. Low around 42. Very windy, with a west southwest wind 29 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. High near 50. Breezy, with a west wind 10 to 16 mph, with gusts as high as 29 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 47. Windy, with a west southwest wind 17 to 26 mph, with gusts as high as 46 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 50. Windy, with a west southwest wind 21 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

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

Thursday

Rain, mainly before 4pm. High near 50. Breezy. Chance of precipitation is 80%.

Thursday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 47.

Friday

A slight chance of rain. Partly sunny, with a high near 52.

Friday Night

A slight chance of rain after 4am. Mostly cloudy, with a low around 42.

Saturday

A chance of rain. Partly sunny, with a high near 50.