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.

Clear

66°F

19°C

Humidity 38%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 18 Apr 07:56 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49. West wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. Calm wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 75. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48.
Wednesday
Rain likely. Mostly cloudy, with a high near 58.
Wednesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
Last Update:
7:41 pm PDT Apr 18, 2026
Forecast Valid:
8pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation