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EF0 tornado in Boone County, Illinois

Tornado June 3, 2025 · Boone County, Illinois

EF0

Rating

0.3 mi

Path length

75 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 EF0 tornado with peak estimated winds of 85 mph touched down northwest of Belvidere. Photos shared by the Boone County EMA show that a concentrated area of tree damage occurred at and across the street from a property along Distillery Road south of US Rt. 20. Multiple trees were uprooted or snapped, and several large tree limbs and branches were downed as well, including some that fell onto powerlines.

The wider storm

Two rounds of strong to severe thunderstorms moved across far northern and northeastern Illinois on the 3rd, the first during the early afternoon and the second during the evening. The storms produced marginally-damaging wind gusts in addition to widespread heavy rain and one brief EF0 tornado in Boone County.

Began near Belvidere (42.2681, -88.9140).

Source: NOAA Storm Events Database, event 1273183. Narratives are written by the National Weather Service forecast office that issued the report.

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