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Local Info
Critical Stages
9' - Action10' - Flood11' - Moderate Flood12' - Major Flood
Big Sioux River - Gauge WTRS2
Watertown, SD
Lat: 45.01N, Lon: 97.16W
 
Latest Observation
Updated: 1:00 PM CDT 10/10/25
Stage:4.84 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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