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Local Info
Critical Stages
14.5' - Action15.5' - Flood18' - Moderate Flood21' - Major Flood
Columbia River - Gauge SHNO3
St. Helens, OR
Lat: 45.86N, Lon: 122.80W
 
Latest Observation
 Updated: 8:48 PM PDT 10/9/25
Stage:4.41 ft
Flow:-999 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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