May 9, 2024
Heavy rainfall in early May, culminating in the May 8th severe weather and flooding event, resulted in rising river levels on the Lower Ohio, Big Muddy, and Mississippi Rivers, with Thebes returning to minor flood and Murphysboro, Olmsted, and Cairo reaching flood stage shortly after. Minor flooding in Southern Illinois around these river sites lasted 5 to 8 days with impacts limited to low-lying areas.
Source: NOAA National Weather Service Storm Events Database (event 1181480). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Alexander County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.