Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

59°F

15°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Sep 01:20 AM PDT
Extended Forecast for

3 Miles SSE Kelso WA

  • Overnight

    Overnight: Mostly clear, with a low around 54. North northwest wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. North northwest wind 3 to 5 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 57. Light north northwest wind.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 73. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 50. West northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of rain after 11pm.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 54. North northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 84. North northwest wind 3 to 5 mph.
Wednesday Night
Increasing clouds, with a low around 57. Light north northwest wind.
Thursday
Mostly cloudy, with a high near 73. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Increasing clouds, with a low around 50. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
Mostly cloudy, with a high near 69.
Friday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 52.
Saturday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 66.
Saturday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 51.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Kelso WA
 46.08°N 122.87°W (Elev. 194 ft)
12:41 am PDT Sep 9, 2026
1am PDT Sep 9, 2026-6pm PDT Sep 15, 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