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Local Info
Critical Stages
8' - Action9' - Flood10' - Moderate Flood12' - Major Flood
Big Sioux River - Gauge WBSS2
Watertown, SD
Lat: 44.94N, Lon: 97.15W
 
Latest Observation
Updated: 1:15 PM CDT 10/10/25
Stage:4.94 ft
Flow:0.0469 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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