Flash Flood in Mercer County, Illinois

Flash Flood July 11, 2025 · Mercer County, Illinois

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

What the National Weather Service wrote

A public report of flash flooding at this location.

The wider storm

On July 11th, a line of severe thunderstorms moved across eastern Iowa and into northwest Illinois. These storms produced damaging straight-line winds and very heavy rain. Rainfall totals of 2 to 4 inches fell in a few hours across the Quad Cities, on top of heavy rain from the previous night and caused flash flooding in Moline and Bureau County. A Considerable Flash Flood warning was issued at 5:26 PM followed by a Flash Flood Emergency at 6:16 PM.

Began near Gilchrist (41.2000, -90.6400).

Source: NOAA Storm Events Database, event 1282134. Narratives are written by the National Weather Service forecast office that issued the report.

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