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Local Info
Critical Stages
7' - Action8' - Flood12' - Moderate Flood14' - Major Flood
Big Sioux River - Gauge WAVS2
Sioux Falls Western Ave., SD
Lat: 43.50N, Lon: 96.75W
 
Latest Observation
Updated: 1:00 AM CDT 10/11/25
Stage:1.08 ft
Flow:0.0139 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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