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

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

68°F

20°C

Humidity 42%
Wind Speed SW 9 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Apr 03:47 PM PDT
Extended Forecast for

4 Miles SSW Cascade Locks OR

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 73. Calm wind. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 56. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 44. West wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Wednesday

    Wednesday: Rain before 11am, then showers after 11am. High near 50. West southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 73. Calm wind. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 56. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 44. West wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 11am, then showers after 11am. High near 50. West southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 46.
Monday
A slight chance of rain. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
3:41 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation