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Local Info
Critical Stages
138.5' - Action141' - Flood142.5' - Moderate Flood144' - Major Flood
Chehalis River - Gauge CGMW1
Grand Mound, WA
Lat: 46.78N, Lon: 123.03W
 
Latest Observation
 Updated: 10:00 PM PDT 10/9/25
Stage:128.7 ft
Flow:0.138 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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