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Local Info
Critical Stages
18' - Action20' - Flood24' - Moderate Flood29' - Major Flood
Mississippi River - Gauge GRFI2
Grafton, IL
Lat: 38.97N, Lon: 90.43W
 
Latest Observation
 Updated: 1:30 AM CDT 10/9/25
Stage:16.35 ft
Flow:210 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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