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

42°F

6°C

Humidity 52%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 31 Mar 06:16 AM PDT
Extended Forecast for

5 Miles W Cascade Locks OR

  • Today

    Today: A chance of snow before 10am, then a chance of rain and snow between 10am and 11am, then rain likely after 11am.  Snow level rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 47. Northeast wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 2am.  Snow level 4200 feet lowering to 3000 feet after midnight . Low around 39. Southwest wind around 7 mph, with gusts as high as 20 mph.  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.  Snow level 3500 feet rising to 4100 feet. High near 45. East southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 45 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers.  Snow level 3400 feet lowering to 2200 feet after midnight . Low around 36. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers.  Snow level 2100 feet rising to 3100 feet in the afternoon. High near 45. Breezy, with a west southwest wind 11 to 18 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: 45 °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 33. Breezy.

    Low: 33 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A chance of snow before 10am, then a chance of rain and snow between 10am and 11am, then rain likely after 11am. Snow level rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 47. Northeast wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Rain, mainly after 2am. Snow level 4200 feet lowering to 3000 feet after midnight . Low around 39. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Snow level 3500 feet rising to 4100 feet. High near 45. East southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Showers. Snow level 3400 feet lowering to 2200 feet after midnight . Low around 36. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 32 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 45. Breezy, with a west southwest wind 11 to 18 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 33. Breezy.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Cascade Locks OR
 45.69°N 121.97°W (Elev. 1762 ft)
5:41 am PDT Mar 31, 2026
6am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database