EF1 tornado in Clinton County, Illinois
Tornado April 27, 2026 · Clinton County, Illinois
NOAA records this tornado county by county. Its path ran through St. Clair County → Clinton County; the totals above are for the whole tornado.
The path drawn at its surveyed width of 100 yards (0.06 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.
What the National Weather Service wrote
The tornado that formed in St. Clair county moved into Clinton county where it passed just southeast of Trenton and Sugar Creek. Along Route 160, the tornado destroyed power poles, damaged the roof of one home, and removed about half of the roof of one farm outbuilding. Along Highline Road, the tornado peeled part of the roof from a barn before dissipating.
The wider storm
Multiple rounds of severe thunderstorms passed through the region for nearly the entirety of April 27th. The afternoon round was expected to be the most volatile, with an environment primed for high-end severe weather reflected by an areawide SPC Moderate Risk. What culminated was widespread large hail, wind damage, and three tornadoes in Illinois.
Began near Trenton (38.5824, -89.7058).
Other tornadoes from the same storm system
2 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1333998. Narratives are written by the National Weather Service forecast office that issued the report.
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