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

50°F

10°C

Humidity 65%
Wind Speed NNE 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Apr 04:56 AM PDT
Extended Forecast for

Kelso WA

  • Today

    Today: A 10 percent chance of rain after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A chance of rain before 10pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 49. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 60. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47. West northwest wind 3 to 8 mph.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 58. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A 10 percent chance of rain after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
A chance of rain before 10pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 49. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely. Mostly cloudy, with a high near 60. Calm wind becoming west 5 to 7 mph in the afternoon. 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 3 to 8 mph.
Wednesday
Rain. High near 58. 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 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Clear, with a low around 42.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
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:
4:41 am PDT Apr 20, 2026
Forecast Valid:
5am PDT Apr 20, 2026-6pm PDT Apr 26, 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