Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

43°F

6°C

Humidity 78%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 31 Mar 10:46 AM PDT
Extended Forecast for

3 Miles WNW Cascade Locks OR

Winter Weather Advisory April 1, 05:00am until April 2, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Rain likely, mainly before noon.  Snow level 2500 feet rising to 4300 feet. Mostly cloudy, with a high near 49. East wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly after 2am.  Snow level 4200 feet lowering to 3000 feet after midnight . Low around 39. Southwest wind around 6 mph becoming west northwest in the evening.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain.  High near 46. East northeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers.  Snow level 3400 feet lowering to 2200 feet after midnight . Low around 36. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers

  • Thursday

    Thursday: Showers.  Snow level 2100 feet rising to 3100 feet in the afternoon. High near 46. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 11pm.  Snow level 3400 feet lowering to 2900 feet after midnight . Partly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Rain likely, mainly before noon. Snow level 2500 feet rising to 4300 feet. Mostly cloudy, with a high near 49. East wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tonight
Rain, mainly after 2am. Snow level 4200 feet lowering to 3000 feet after midnight . Low around 39. Southwest wind around 6 mph becoming west northwest in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 46. East northeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers. Snow level 3400 feet lowering to 2200 feet after midnight . Low around 36. Southwest wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers. Snow level 2100 feet rising to 3100 feet in the afternoon. High near 46. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of showers before 11pm. Snow level 3400 feet lowering to 2900 feet after midnight . Partly cloudy, with a low around 34. Breezy.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cascade Locks OR
 45.7°N 121.94°W (Elev. 1257 ft)
10:41 am PDT Mar 31, 2026
11am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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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