Your favorites:
Local Info
Critical Stages
35' - Action40' - Flood48' - Moderate Flood50' - Major Flood
Ohio River - Gauge SMLI2
Smithland Lock And Dam, IL
Lat: 37.17N, Lon: 88.43W
 
Latest Observation
 Updated: 11:00 PM CDT 10/13/25
Stage:12.7 ft
Flow:70.2 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

 Buy me a coffee