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Flash Flood — Rock Island, IL

Jun 3, 2020

An extended period of showers and thunderstorms affected the area June 3-5. The second round of thunderstorms occurred on June 3rd as a weak upper level disturbance moved across the area and interacted with a hot and humid air mass to produce thunderstorms across Scott and Muscatine Counties, before moving into parts of northwest Illinois during the late afternoon into the early evening hours. An isolated supercell thunderstorm produced nickel to golf ball sized hail and rain that caused flas

Source: NOAA National Weather Service Storm Events Database (event 895121). 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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