National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

46°F

8°C

Humidity 91%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 09 Dec 07:05 AM PST
Extended Forecast for

Cascade Locks OR

Flood Watch December 9, 07:28am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 07:28am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Today

    High: 56 °F

    Heavy Rain

  • Tonight

    Tonight: Rain. The rain could be heavy at times. Temperature rising to around 58 by midnight. Very windy, with a west southwest wind 21 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 52 °F⇑

    Heavy Rain
    and Very
    Windy

  • Wednesday

    Wednesday: Rain. High near 58. Very windy, with a west southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain and Very
    Windy

  • Wednesday Night

    Wednesday Night: Rain. Low around 53. Windy, with a west southwest wind around 24 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain and
    Windy

  • Thursday

    Thursday: Rain, mainly before 4pm. High near 56. Windy, with a west southwest wind 15 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain and
    Windy

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain
    then Slight
    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Today
Rain. The rain could be heavy at times. High near 56. West southwest wind 9 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tonight
Rain. The rain could be heavy at times. Temperature rising to around 58 by midnight. Very windy, with a west southwest wind 21 to 30 mph, with gusts 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 around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 53. Windy, with a west southwest wind around 24 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain, mainly before 4pm. High near 56. Windy, with a west southwest wind 15 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 52.
Friday
A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 58.
Friday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 48.
Saturday
A chance of rain, mainly after 4pm. Partly sunny, with a high near 57.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.68°N 121.88°W (Elev. 194 ft)
Last Update:
6:41 am PST Dec 9, 2025
Forecast Valid:
7am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation