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.

light rain,mist

61°F

16°C

Humidity 87%
Wind Speed S 6 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 29 Sep 07:30 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 52. Calm wind becoming south southeast 5 to 8 mph in the evening. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after noon. High near 67. Breezy, with a south southeast wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Slight Chance
    Showers then
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 54. Breezy, with a south southeast wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. High near 66. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 53. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 11am. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 52. Calm wind becoming south southeast 5 to 8 mph in the evening. Chance of precipitation is 30%.
Tuesday
Showers, mainly after noon. High near 67. Breezy, with a south southeast wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 54. Breezy, with a south southeast wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 11am. High near 66. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers. Low around 53. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday
Showers, with thunderstorms also possible after 11am. High near 66. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.
Friday
A slight chance of showers after 11am. Partly sunny, with a high near 68.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
A chance of showers, mainly before 11am. Partly sunny, with a high near 67.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
Last Update:
7:45 pm PDT Sep 29, 2025
Forecast Valid:
7pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation