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

DEE FLAT (DEFO)

Lat: 45.58639°NLon: 121.64056°WElev: 1260.0ft.

NA

38°F

3°C

Humidity 82%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 31 Mar 08:45 AM PDT
Extended Forecast for

8 Miles E Cascade Locks OR

  • Today

    Today: A 50 percent chance of rain.  Snow level 1400 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 52. East wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after midnight.  Low around 42. West northwest wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain.  High near 50. East northeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers.  Low around 39. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers.  Snow level 2100 feet rising to 3000 feet in the afternoon. High near 50. Windy, with a west wind 14 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm.  Partly cloudy, with a low around 37. Windy.

    Low: 37 °F

    Chance
    Showers and
    Windy then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of rain. Snow level 1400 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 52. East wind 7 to 11 mph, with gusts as high as 20 mph.
Tonight
Rain, mainly after midnight. Low around 42. West northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 50. East northeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers. Low around 39. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. Snow level 2100 feet rising to 3000 feet in the afternoon. High near 50. Windy, with a west wind 14 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 37. Windy.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Cascade Locks OR
 45.71°N 121.7°W (Elev. 200 ft)
8:41 am PDT Mar 31, 2026
9am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

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