Thunderstorm Wind in Shelby County, Illinois

Thunderstorm Wind July 20, 2025 · Shelby County, Illinois

60 mph

Estimated gust (52 kt)

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

What the National Weather Service wrote

Shingles were blown off a few homes and corn crops were flattened on the south edge of town.

The wider storm

An outflow boundary interacting with a very moist airmass characterized by surface dewpoints in the middle to upper 70s triggered clusters of strong to severe thunderstorms across south-central Illinois during the afternoon and evening of July 20th. Scattered wind damage and flash flooding occurred...mainly south of a Shelbyville to Marshall line.

Began near Tower Hill (39.3800, -88.9600).

Source: NOAA Storm Events Database, event 1276254. Narratives are written by the National Weather Service forecast office that issued the report.

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