Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

Lat: 46.677° N Lon: 122.9827° W Elev: 177.0 ft.

Clear

63°F

17°C

Humidity 45%
Wind Speed NW 8 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 May 07:15 PM PDT
Detailed forecast for

Willapa and Black Hills

Tonight
Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. West wind 10 to 15 mph with gusts to 25 mph decreasing to 10 mph or less after midnight.
Tuesday
Mostly cloudy. Patchy fog in the morning. Highs in the 60s. Light wind becoming west to 10 mph with gusts to 20 mph in the afternoon.
Tuesday Night
Mostly cloudy. Lows in the 40s. West wind 10 to 15 mph decreasing to 10 mph or less after midnight.
Wednesday
Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 60s to mid 70s. Light wind becoming north to 10 mph in the afternoon.
Wednesday Night
Partly cloudy. Lows in the mid to upper 40s. Northwest wind around 10 mph in the evening becoming light.
Thursday
Mostly sunny. Highs in the 70s to lower 80s.
Thursday Night
Partly cloudy. Lows near 50.
Friday
Mostly sunny. Highs in the upper 60s to mid 70s.
Friday Night
Partly cloudy. Lows in the upper 40s.
Saturday
Partly sunny. Highs in the mid 60s to lower 70s.
Saturday Night
Partly cloudy. Lows in the mid 40s.
Sunday
Partly sunny. Highs in the 60s.
Sunday Night
Mostly cloudy with a chance of rain. Lows in the mid 40s.
Memorial Day
Mostly cloudy with a chance of rain. Highs in the lower to mid 60s.





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237 PM PDT Mon May 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database