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 >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

51°F

11°C

Humidity 91%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 04:15 AM PST
Extended Forecast for

9 Miles NNW Cascade Locks OR

Flood Watch December 9, 04:42am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 04:42am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Overnight

    Low: 48 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 54. West southwest wind 3 to 6 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. The rain could be heavy at times.  Low around 47. West southwest wind 9 to 11 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 47 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain.  High near 57. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 52. West southwest wind 9 to 13 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 55. Chance of precipitation is 90%.

    High: 55 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: A chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 48. West wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. 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 47. West southwest wind 9 to 11 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. High near 57. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain. Low around 52. West southwest wind 9 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 55. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 57.
Friday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 44.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 56.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 44.
Monday
Rain. Cloudy, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Cascade Locks OR
 45.81°N 121.91°W (Elev. 1010 ft)
3:55 am PST Dec 9, 2025
4am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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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