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EF1 tornado in Randolph County, Illinois

Tornado May 19, 2025 · Randolph County, Illinois

EF1

Rating

0.5 mi

Path length

25 yd

Path width

$30K

Damage as recorded

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The path drawn at its surveyed width of 25 yards (0.01 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

A brief tornado touched down just south of Prairie du Rocher, destroying an outbuilding before heading north-northeast. From there the tornado caused tree damage and damaged another farm outbuilding before dissipating just southwest of Route 155.

The wider storm

A mesoscale convective complex rolled through Illinois during the late evening of May 19th. Severe reports spanned from west-central Illinois through the Metro-East and into southern Illinois where a brief tornado touched down. Luckily no injuries or fatalities were reported.

Began near Prairie Du Rocher (38.0514, -90.1017).

Source: NOAA Storm Events Database, event 1264716. Narratives are written by the National Weather Service forecast office that issued the report.

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