Your favorites:
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: 5:30 AM CDT 10/10/25
Stage:6.81 ft
Flow:0.589 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

Buy me a coffee