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Local Info
Critical Stages
21' - Action23' - Flood27' - Moderate Flood29' - Major Flood
Illinois River - Gauge NLGI2
Lagrange, IL
Lat: 39.94N, Lon: 90.53W
 
Latest Observation
Updated: 5:00 AM CDT 10/12/25
Stage:6.99 ft
Flow:5.77 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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