Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. 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 91%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 01 Apr 04:06 AM PDT
Extended Forecast for

3 Miles W 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
  • Overnight

    Overnight: Rain.  Low around 42. Southwest wind around 5 mph.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 5pm.  High near 50. East northeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 2am, then rain likely.  Snow level 3000 feet lowering to 1900 feet after midnight . Low around 39. West southwest wind 9 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Rain.  Snow level 2000 feet rising to 3100 feet in the afternoon. High near 50. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 11pm.  Partly cloudy, with a low around 37. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 37 °F

    Chance Rain
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain. Low around 42. Southwest wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 50. East northeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm before 2am, then rain likely. Snow level 3000 feet lowering to 1900 feet after midnight . Low around 39. West southwest wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain. Snow level 2000 feet rising to 3100 feet in the afternoon. High near 50. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 37. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Friday
Sunny, with a high near 61.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 62. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Cascade Locks OR
 45.67°N 121.94°W (Elev. 509 ft)
3:41 am PDT Apr 1, 2026
4am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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