EF1 Tornado — St. Clair, Illinois
2025-03-14 · near O Fallon, St. Clair, Illinois
Event narrative
At approximately 10:28 PM a tornado began in the northeastern outskirts of O'Fallon, IL where it caused damage to multiple mobile homes, single family homes, outbuildings, and trees along its track northeast. The tornado then passed into southern Madison County. In Madison County the tornado was rated EF-1 with a path length of 6.75 miles and a maximum path width of 770 yards. In St. Clair County the tornado was rated EF-1 with a path length of 5.9 miles and a maximum path width of 450 yards.
Wider weather episode
During the late afternoon of March 14, 2025, numerous severe thunderstorms developed across central Missouri and tracked east. After sunset, these thunderstorms began producing tornadoes, some strong, across portions of Missouri and Illinois. In total, 13 tornadoes touched down in the CWA, making it one of the most active outbreaks on record for the St. Louis CWA. Six of these tornadoes occurred at least partially in St. Louis's Illinois counties.
View location on OpenStreetMap → (38.6129, -89.8779)
Source: NOAA Storm Events Database, event_id 1241477. Narrative written by the NWS forecast office that issued the report.