Tornado in De Kalb County, Illinois
Tornado June 11, 2026 · De Kalb County, Illinois
NOAA records this tornado county by county. Its path ran through Lee County → De Kalb County; the totals above are for the whole tornado.
The path drawn at its surveyed width of 50 yards (0.03 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
Based on video from storm chasers, a tornado touched down west of Interstate 39 and north of Route 30, then crossed Interstate 39 as it moved northeast and crossed into De Kalb County north of Lee. The tornado continued northeast until it dissipated just east of Tower Road. This tornado did not produce any known damage.
The wider storm
Severe thunderstorms moved across northern Illinois during the afternoon and evening of June 11th producing wind damage, localized flooding and several tornadoes.
Began near Lee (41.8029, -88.9414).
Other tornadoes from the same storm system
14 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1341656. Narratives are written by the National Weather Service forecast office that issued the report.
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