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Soliciting feedback on the Experimental Probabilistic Quantitative Precipitation Forecast (PQPF) Webpages through November 21, 2025

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Overcast

54°F

12°C

Humidity	87%
Wind Speed	SSE 9 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	18 Oct 10:00 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Cowlitz County Lowlands

Tonight

Rain. A slight chance of thunderstorms after midnight. Lows in the upper 40s. South wind 10 to 15 mph. Gusts up to 35 mph this evening. Chance of rain near 100 percent. Rainfall amounts a quarter to a half of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers with a slight chance of thunderstorms in the morning, then rain with a chance of thunderstorms in the afternoon. Highs around 60. Southwest wind 10 to 15 mph, becoming west in the afternoon. Chance of rain near 100 percent. Rainfall amounts a tenth to a quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Mostly cloudy. Rain, mainly in the evening. Lows in the mid 40s. Southwest wind 5 to 10 mph. Chance of rain 90 percent. Rainfall amounts less than a tenth of an inch.

Monday

Partly sunny. A chance of rain, mainly in the morning. Highs in the lower 60s. Winds light. Chance of rain 30 percent.

Monday Night

Partly cloudy. Lows in the lower 40s. Light and variable winds, becoming light after midnight.

Tuesday

Mostly sunny. Highs in the mid 60s.

Tuesday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.

Wednesday

Rain likely. Highs around 60. Chance of rain 70 percent.

Wednesday Night

Rain likely. Lows in the upper 40s. Chance of rain 70 percent.