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EF1 tornado in Marion County, Illinois

Tornado June 21, 2026 · Marion County, Illinois

EF1

Rating

2.1 mi

Path length

190 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 190 yards (0.11 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

NWS storm survey found very clear tornadic damage (EF-1) east of Kinmundy, with supporting video showing a multi-vortex tornado in that location.

The wider storm

A convective complex moved through the region during the day on June 21st. Though it remained sub-severe for most of its life, the complex did intensify in south-central Illinois where it produced tornadoes, wind damage, and flash flooding.

Began near Omega Forbes Arpt (38.7891, -88.7516).

Other tornadoes from the same storm system

2 more tornadoes the National Weather Service filed under this storm episode.

EF0 Fayette County EF0 Marion County

Source: NOAA Storm Events Database, event 1334177. Narratives are written by the National Weather Service forecast office that issued the report.

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