Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Overcast

39°F

4°C

Humidity 93%
Wind Speed ESE 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 16 Apr 01:00 AM PDT
Detailed forecast for

Cowlitz County Lowlands

Overnight
Mostly cloudy late this evening, then becoming partly cloudy. A 20 percent chance of rain showers. Areas of frost with patchy fog. Lows in the mid 30s. Winds light.
Thursday
Areas of frost in the morning. Mostly sunny. Highs in the upper 50s. Winds light, becoming west 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Patchy fog and frost after midnight. Lows in the mid 30s. West wind 5 to 10 mph.
Friday
Partly sunny. Highs in the lower 60s. Light and variable winds, becoming light in the afternoon.
Friday Night
Mostly cloudy. Lows around 40. Winds light in the evening, becoming light and variable.
Saturday
Partly sunny. Highs in the upper 60s.
Saturday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.
Sunday
Mostly cloudy with a 50 percent chance of showers. Highs in the upper 60s.
Sunday Night
Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s.
Monday
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of rain. Highs in the upper 60s.
Monday Night
Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s.
Tuesday
Mostly cloudy with a 50 percent chance of rain. Highs in the lower 60s.
Tuesday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s.
Wednesday
Mostly cloudy with a 50 percent chance of rain. Highs in the upper 50s.



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1128 PM PDT Wed Apr 15 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database