Current conditions at

Southwest Washington Regional Airport (KKLS)

Lat: 46.11553° N Lon: 122.89273° W Elev: 13.0 ft.

Clear

64°F

18°C

Humidity 72%
Wind Speed WNW 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Aug 08:00 PM PDT
Detailed forecast for

Cowlitz County Lowlands

Tonight
Mostly clear this evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. West wind 5 to 10 mph this evening, becoming light and variable.
Wednesday
Mostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the lower 80s. Winds light.
Wednesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Winds light in the evening, becoming light and variable.
Thursday
Mostly cloudy in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the mid 70s. Winds light. Chance of rain 20 percent.
Thursday Night
Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. West wind 5 to 10 mph in the evening, becoming light and variable.
Friday
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s.
Friday Night
Mostly clear. Lows in the mid 50s.
Saturday
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s.
Saturday Night
Mostly clear. Lows in the lower 50s.
Sunday
Mostly sunny. Highs in the upper 70s.
Sunday Night
Mostly clear. Lows in the lower 50s.
Monday
Partly sunny. Highs in the mid 70s.
Monday Night
Mostly cloudy with a 20 percent chance of rain. Lows in the mid 50s.
Tuesday
Mostly cloudy with a 30 percent chance of rain. Highs in the lower 70s.



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501 PM PDT Tue Aug 25 2026
 
 

Additional Resources

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National Digital Forecast Database