Thunderstorm Wind — Shelby, Illinois

2025-07-20 · near Tower Hill, Shelby, Illinois

Event narrative

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

Wider weather episode

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.

View location on OpenStreetMap → (39.3800, -88.9600)

Source: NOAA Storm Events Database, event_id 1276254. Narrative written by the NWS forecast office that issued the report.