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Local Info
Critical Stages
16' - Action18' - Flood21' - Moderate Flood25' - Major Flood
Mississippi River - Gauge QLDI2
Quincy Lock, IL
Lat: 39.88N, Lon: 91.45W
 
Latest Observation
Updated: 7:30 PM CDT 10/9/25
Stage:3.64 ft
Flow:41.4 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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