Hail — Clinton, Illinois

2025-04-30 · near Aviston, Clinton, Illinois

Wider weather episode

The environment during the afternoon of April 30th was characterized by increased instability and increasing deep layer shear. This resulted in the development of discrete supercells ahead of a mesoscale convective complex moving northeast from Oklahoma. One particularly robust and long-lived supercell dropped up to 2 inch hail in Clinton County before producing 2 tornadoes in Fayette County.

View location on OpenStreetMap → (38.6000, -89.6100)

Source: NOAA Storm Events Database, event_id 1241866. Narrative written by the NWS forecast office that issued the report.