Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Overcast

58°F

14°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 04 Sep 10:56 AM PDT
Extended Forecast for

Kelso WA

  • Today

    Today: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 72. Calm wind.  Chance of precipitation is 40%.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 7pm.  Increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 73. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 73 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72. Calm wind.
Tonight
Increasing clouds, with a low around 51. Calm wind.
Saturday
A slight chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. Calm wind. Chance of precipitation is 40%.
Saturday Night
A 10 percent chance of showers before 7pm. Increasing clouds, with a low around 53. Calm wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 73. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 54.
Labor Day
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
10:41 am PDT Sep 4, 2026
11am PDT Sep 4, 2026-6pm PDT Sep 10, 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