Thunderstorm Wind — Cumberland, Illinois

2025-07-20 · near Greenup, Cumberland, Illinois

Event narrative

A large tree limb was blown onto power lines.

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 → (39.2500, -88.1700)

Source: NOAA Storm Events Database, event_id 1276255. Narrative written by the NWS forecast office that issued the report.