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Flash Flood — Rock Island, IL

Jul 10, 2025

During the evening hours of July 10th, a line of thunderstorms developed in eastern Iowa and moved into northwest Illinois. These storms produced isolated large hail and damaging wind gusts in Carroll, Jo Daviess, Henry, Bureau, and Rock Island Counties. These storms also produced heavy rain, mainly along and north of interstate 80. Rainfall amounts of 2 to 4.50 inches were reported that produced some flash flooding Princeton and Moline.

Source: NOAA National Weather Service Storm Events Database (event 1281731). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Rock Island, IL

This event is one of many recorded floods in Rock Island County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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