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.

Partly Cloudy

66°F

19°C

Humidity 52%
Wind Speed WNW 4 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Apr 04:30 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: A chance of showers before 10pm, then showers likely after 1am. Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 49 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 4pm. Cloudy, with a high near 60. Calm wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47. West northwest wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain before 11am, then showers likely after 11am. High near 57. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Tonight
A chance of showers before 10pm, then showers likely after 1am. Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 4pm. Cloudy, with a high near 60. Calm wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47. West northwest wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain before 11am, then showers likely after 11am. High near 57. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light south in the evening.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 72.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 67.
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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:
4:41 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 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