Flash Flood — Macon, Illinois

2025-08-12 · near Bearsdale, Macon, Illinois

Event narrative

A few vehicles stalled in high water on the north side of Decatur.

Wider weather episode

A pre-frontal trough interacting with a seasonably warm and moist airmass triggered a couple bands of thunderstorms across central Illinois during the afternoon and evening of August 12th. One of the strongest cells produced excessive rainfall rates and caused isolated flash flooding in Decatur in Macon County.

View location on OpenStreetMap → (39.8918, -88.9694)

Source: NOAA Storm Events Database, event_id 1289044. Narrative written by the NWS forecast office that issued the report.