Flash Flood in Marion County, Illinois

Flash Flood May 18, 2026 · Marion County, Illinois

$100K

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Heavy rain of up to 7 inches resulted in street flooding due to persistent rainfall. Cars were reportedly stalled all over town.

The wider storm

A thunderstorm complex moved south through Illinois during the day of May 18th. Isolated wind damage occurred in Montgomery County, and isolated flooding occurred in Marion County.

Began near Salem Leckrone Arpt (38.6440, -88.9632).

Source: NOAA Storm Events Database, event 1334137. Narratives are written by the National Weather Service forecast office that issued the report.

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