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Local Info
Critical Stages
11' - Action12' - Flood15' - Moderate Flood17' - Major Flood
Big Sioux River - Gauge SFLS2
Sioux Falls 60th St. North, SD
Lat: 43.60N, Lon: 96.74W
 
Latest Observation
Updated: 10:00 PM CDT 10/8/25
Stage:8.56 ft
Flow:0.926 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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