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

45°F

7°C

Humidity 62%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 15 Apr 09:57 AM PDT
Extended Forecast for

5 Miles S Cascade Locks OR

  • Today

    Today: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Snow level 1700 feet rising to 2200 feet. High near 44. West wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 44 °F

    Slight Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a chance of showers. Snow level 1600 feet. Low around 34. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Snow level 1600 feet rising to 2900 feet in the afternoon. Partly sunny, with a high near 48. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Areas of frost after 4am. Snow level 3300 feet lowering to 2500 feet after midnight . Otherwise, mostly cloudy, with a low around 36. West wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Chance
    Showers then
    Areas Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Rain Likely

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Snow level 1700 feet rising to 2200 feet. High near 44. West wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 3am, then a chance of showers. Snow level 1600 feet. Low around 34. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers. Snow level 1600 feet rising to 2900 feet in the afternoon. Partly sunny, with a high near 48. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of showers before 11pm. Areas of frost after 4am. Snow level 3300 feet lowering to 2500 feet after midnight . Otherwise, mostly cloudy, with a low around 36. West wind around 6 mph becoming calm in the evening.
Friday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 55. Calm wind.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 63.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 64.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 68.
Monday Night
A chance of rain. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
9:41 am PDT Apr 15, 2026
Forecast Valid:
10am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation