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Local Info
Critical Stages
8' - Action9' - Flood10.5' - Moderate Flood15' - Major Flood
Big Sioux River - Gauge BRKS2
Brookings, SD
Lat: 44.18N, Lon: 96.75W
 
Latest Observation
Updated: 6:45 AM CDT 10/16/25
Stage:4.2 ft
Flow:0.568 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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