Hail — Madison, Illinois

2025-08-12 · near Milton, Madison, Illinois

Event narrative

A trained spotter on St. Louis Ave in East Alton reported half inch to 1 inch sized sized hail.

Wider weather episode

During the afternoon of August 12th, thunderstorms developed along an axis of weak surface convergence. The environment they existed in was conducive for gusty winds and heavy rain. One of these thunderstorms became severe in western Madison County where it caused damage to power lines and structures and produced quarter sized hail.

View location on OpenStreetMap → (38.8800, -90.1100)

Source: NOAA Storm Events Database, event_id 1278818. Narrative written by the NWS forecast office that issued the report.