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

Ken Jernstedt Airfield (K4S2)

Lat: 45.67457°NLon: 121.53493°WElev: 600.0ft.

Overcast

50°F

10°C

Humidity 46%
Wind Speed N 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 31 Mar 02:35 PM PDT
Extended Forecast for

9 Miles ENE 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
  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Snow level 3900 feet. Mostly cloudy, with a high near 43. East wind around 8 mph.

    High: 43 °F

    Chance Rain

  • Tonight

    Tonight: Rain.  Snow level 4800 feet lowering to 3100 feet after midnight . Low around 38. East wind 6 to 8 mph becoming west in the evening.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 4pm.  Snow level 3400 feet rising to 4300 feet in the afternoon. High near 42. East northeast wind 7 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Snow level 3400 feet lowering to 2200 feet after midnight . Low around 36. Breezy, with a west wind 15 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain before 8am, then rain and snow between 8am and 11am, then rain likely after 11am.  Snow level 2100 feet rising to 3200 feet in the afternoon. High near 43. Windy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the morning. Winds could gust as high as 40 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Windy.
    Rain/Snow
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Snow level 3600 feet lowering to 2900 feet after midnight . Partly cloudy, with a low around 34. Windy.

    Low: 34 °F

    Slight Chance
    Rain and
    Windy then
    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Snow level 3900 feet. Mostly cloudy, with a high near 43. East wind around 8 mph.
Tonight
Rain. Snow level 4800 feet lowering to 3100 feet after midnight . Low around 38. East wind 6 to 8 mph becoming west in the evening. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 4pm. Snow level 3400 feet rising to 4300 feet in the afternoon. High near 42. East northeast wind 7 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Snow level 3400 feet lowering to 2200 feet after midnight . Low around 36. Breezy, with a west wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain before 8am, then rain and snow between 8am and 11am, then rain likely after 11am. Snow level 2100 feet rising to 3200 feet in the afternoon. High near 43. Windy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 3600 feet lowering to 2900 feet after midnight . Partly cloudy, with a low around 34. Windy.
Friday
Mostly sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Cascade Locks OR
 45.73°N 121.7°W (Elev. 1893 ft)
2:41 pm PDT Mar 31, 2026
3pm 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