Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Overcast

55°F

13°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 03 Jun 11:35 PM PDT
Detailed forecast for

Cowlitz County Lowlands

Overnight
Mostly cloudy. Lows in the lower 50s. Winds light.
Thursday
Mostly sunny. Highs in the lower 70s. West wind 5 to 10 mph.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. West wind 5 to 10 mph, becoming light after midnight.
Friday
A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 60s. Southwest wind 5 to 10 mph. Chance of rain 70 percent.
Friday Night
Showers. Lows in the mid 40s. West wind 5 to 10 mph. Chance of rain 90 percent.
Saturday
Showers with a chance of thunderstorms. Highs in the lower 60s. Chance of rain near 100 percent.
Saturday Night
Mostly cloudy in the evening, then clearing. A 50 percent chance of rain showers. Patchy fog. Lows in the lower 40s.
Sunday
Mostly sunny. Highs around 70.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of rain. Lows in the upper 40s.
Monday
Rain likely. Highs in the mid 60s. Chance of rain 70 percent.
Monday Night
Mostly cloudy with rain likely. Lows in the upper 40s. Chance of rain 70 percent.
Tuesday
Rain likely. Highs in the upper 60s. Chance of rain 70 percent.
Tuesday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s.
Wednesday
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the upper 60s.



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1129 PM PDT Wed Jun 3 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database