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Local Info
Critical Stages
8' - Action10' - Flood14.5' - Moderate Flood15.5' - Major Flood
Winnebago River - Gauge MCWI4
Mason City, IA
Lat: 43.16N, Lon: 93.19W
 
Latest Observation
 Updated: 12:45 AM CDT 10/10/25
Stage:5.11 ft
Flow:0.281 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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