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Local Info
Critical Stages
14' - Action16' - Flood18' - Moderate Flood31' - Major Flood
Big Sioux River - Gauge SXFS2
Sioux Falls N. Cliff Avenue, SD
Lat: 43.57N, Lon: 96.71W
 
Latest Observation
 Updated: 3:30 PM CDT 10/9/25
Stage:6.83 ft
Flow:0.596 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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