National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Rain

48°F

9°C

Humidity 87%
Wind Speed SSE 14 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Apr 09:35 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: Rain, mainly before 2am. Snow level 4200 feet lowering to 1800 feet after midnight . Low around 38. South southwest wind 8 to 13 mph becoming light and variable after midnight. 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.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 11am. Snow level 1800 feet. High near 50. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Snow level 1700 feet. Low around 36. West northwest wind 5 to 10 mph becoming light west southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Showers then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A 30 percent chance of showers after 11am. Snow level 1600 feet rising to 3000 feet in the afternoon. Partly sunny, with a high near 57. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Friday Night

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

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am. Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

Detailed Forecast

Tonight
Rain, mainly before 2am. Snow level 4200 feet lowering to 1800 feet after midnight . Low around 38. South southwest wind 8 to 13 mph becoming light and variable after midnight. 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
Showers and possibly a thunderstorm, mainly after 11am. Snow level 1800 feet. High near 50. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Snow level 1700 feet. Low around 36. West northwest wind 5 to 10 mph becoming light west southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A 30 percent chance of showers after 11am. Snow level 1600 feet rising to 3000 feet in the afternoon. Partly sunny, with a high near 57. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 38. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
A slight chance of rain after 11am. Mostly cloudy, with a high near 65.
Saturday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 48.
Sunday
Rain likely. Mostly cloudy, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Mostly cloudy, with a high near 61.
Monday Night
A chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
Last Update:
9:41 pm PDT Apr 14, 2026
Forecast Valid:
9pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation