Flash Flood in Crawford County, Illinois

Flash Flood July 27, 2025 · Crawford County, Illinois

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

What the National Weather Service wrote

Rising water forced the closure of Route 1 north of Flat Rock.

The wider storm

Clusters of slow-moving thunderstorms developed along an outflow boundary across southeast Illinois during the late afternoon and early evening of July 27th. The storms were primarily focused south of the I-70 corridor where rainfall rates of 1-3 inches per hour led to isolated flash flooding in Crawford County.

Began near Duncanville (38.9687, -87.6984).

Source: NOAA Storm Events Database, event 1277341. Narratives are written by the National Weather Service forecast office that issued the report.

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