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

Southwest Washington Regional Airport (KKLS)

Lat: 46.11553°NLon: 122.89273°WElev: 13.0ft.

Overcast

50°F

10°C

Humidity 71%
Wind Speed SSE 6 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 31 Mar 11:20 PM PDT
Extended Forecast for

6 Miles S Kelso WA

  • Tonight

    Tonight: Rain, mainly after 2am.  Low around 41. South southeast wind 3 to 8 mph.  Chance of precipitation is 90%.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly after 5pm.  High near 53. South southeast wind 9 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Snow level 2800 feet lowering to 2100 feet after midnight . Low around 38. South southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain likely.  Snow level 2200 feet rising to 3000 feet in the afternoon. Cloudy, then gradually becoming mostly sunny, with a high near 55. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Patchy fog before 3am, then patchy fog after 4am. Patchy frost after 4am.  Otherwise, partly cloudy, with a low around 36. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost and
    Patchy Fog

  • Friday

    Friday: Patchy frost before 7am.  Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 2am. Low around 41. South southeast wind 3 to 8 mph. Chance of precipitation is 90%.
Wednesday
Rain, mainly after 5pm. High near 53. South southeast wind 9 to 14 mph, with gusts 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 2800 feet lowering to 2100 feet after midnight . Low around 38. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely. Snow level 2200 feet rising to 3000 feet in the afternoon. Cloudy, then gradually becoming mostly sunny, with a high near 55. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Thursday Night
Patchy fog before 3am, then patchy fog after 4am. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. West wind 5 to 8 mph becoming calm in the evening.
Friday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 61.
Friday Night
Clear, with a low around 38.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Kelso WA
 46.04°N 122.88°W (Elev. 200 ft)
11:27 pm PDT Mar 31, 2026
11pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database