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Local Info
Critical Stages
10' - Action10.5' - Flood11' - Moderate Flood13.5' - Major Flood
Big Sioux River - Gauge WBWS2
Watertown, SD
Lat: 44.89N, Lon: 97.12W
 
Latest Observation
Updated: 1:00 PM CDT 10/10/25
Stage:7.4 ft
Flow:0.068 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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