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.

Overcast

55°F

13°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 27 Jun 08:00 AM PDT
Extended Forecast for

Kelso WA

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South southwest wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 50. West wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: A chance of showers between noon and 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 64. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 64 °F

    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers before 11am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.

    High: 65 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 49.

    Low: 49 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South southwest wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 50. West wind around 6 mph becoming calm in the evening.
Sunday
A chance of showers between noon and 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 64. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers after 11pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Monday
A 20 percent chance of showers before 11am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A 20 percent chance of showers after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 65.
Tuesday Night
Increasing clouds, with a low around 49.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly cloudy, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Mostly cloudy, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.13°N 122.88°W (Elev. 400 ft)
Last Update:
7:41 am PDT Jun 27, 2026
Forecast Valid:
8am PDT Jun 27, 2026-6pm PDT Jul 3, 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