Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Mostly Cloudy

57°F

14°C

Humidity 76%
Wind Speed WNW 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 11:35 PM PDT
Detailed forecast for

Cowlitz County Lowlands

Overnight
Mostly cloudy with a 50 percent chance of showers. Lows around 50. Winds light. Rainfall amounts less than a tenth of an inch.
Wednesday
Mostly cloudy. Showers, mainly in the morning. Highs in the lower 60s. Southwest wind 10 to 15 mph. Chance of rain 90 percent. Rainfall amounts a tenth to a quarter of an inch.
Wednesday Night
Mostly cloudy. A slight chance of showers in the evening. Lows in the upper 40s. Southwest wind 5 to 10 mph. Chance of rain 20 percent.
Thursday
Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. Winds light. Chance of rain 40 percent.
Thursday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 40s. West wind 5 to 10 mph.
Friday
Mostly cloudy with a 50 percent chance of showers. Highs around 60.
Friday Night
Rain likely. Lows in the lower 40s. Chance of rain 70 percent.
Saturday
Showers with a slight chance of thunderstorms. Highs in the upper 50s. Chance of rain 90 percent.
Saturday Night
Mostly cloudy with a 20 percent chance of rain. Lows around 40.
Sunday
Mostly sunny. Highs in the mid 60s.
Sunday Night
Partly cloudy. Lows in the lower 40s.
Monday
Mostly sunny. Highs in the upper 60s.
Monday Night
Partly cloudy. Lows in the mid 40s.
Tuesday
Mostly sunny. Highs in the lower 70s.



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1134 PM PDT Tue May 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database