Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

72°F

22°C

Humidity 40%
Wind Speed WNW 8 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Sep 04:00 PM PDT
Detailed forecast for

Cowlitz County Lowlands

This Afternoon
Sunny. Highs in the lower 70s. West wind 5 to 10 mph.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northwest wind 5 to 10 mph in the evening, becoming light and variable.
Wednesday
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Highs in the upper 60s. Light and variable winds, becoming light in the afternoon.
Wednesday Night
Mostly cloudy. Lows in the upper 40s. Winds light.
Thursday
Mostly cloudy. A chance of rain in the afternoon. Highs in the upper 60s. Winds light. Chance of rain 30 percent.
Thursday Night
Rain. Lows in the lower 50s. Chance of rain 90 percent.
Friday
Rain likely with a slight chance of thunderstorms. Highs in the lower 60s. Chance of rain 70 percent.
Friday Night
Partly cloudy. Patchy fog. Lows in the upper 40s.
Saturday
Partly sunny. Patchy fog. Highs in the mid 60s.
Saturday Night
Mostly cloudy. Lows in the mid 40s.
Sunday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s.
Sunday Night
Mostly cloudy. Patchy fog. Lows in the upper 40s.
Monday
Partly sunny with a 20 percent chance of rain. Highs in the mid 60s.



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202 PM PDT Tue Sep 22 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database