Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

46°F

8°C

Humidity 81%
Wind Speed NNW 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Apr 01:00 AM PDT
Detailed forecast for

Cowlitz County Lowlands

Overnight
Partly cloudy late this evening, then becoming mostly cloudy. Lows in the upper 40s. Light and variable winds.
Sunday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. Winds light.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Winds light.
Monday
Mostly cloudy. Highs in the mid 70s. Light and variable winds, becoming light in the afternoon.
Monday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s. Winds light.
Tuesday
Rain likely. Highs in the lower 60s. Chance of rain 70 percent.
Tuesday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s.
Wednesday
Rain likely. Highs in the upper 50s. Chance of rain 70 percent.
Wednesday Night
Mostly cloudy with a 40 percent chance of rain. Lows in the mid 40s.
Thursday
Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of rain. Highs in the mid 60s.
Thursday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 40s.
Friday
Sunny. Highs around 70.
Friday Night
Mostly clear. Lows in the mid 40s.
Saturday
Sunny. Highs in the lower 70s.



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1129 PM PDT Sat Apr 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database