Flood in Boone County, Illinois
Flood June 11, 2026 · Boone County, Illinois
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
There were multiple reports of roadway flooding between Belvidere and Timberlane.
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 Candlewick Lake (42.3431, -88.8850).
Other tornadoes from the same storm system
15 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1345192. Narratives are written by the National Weather Service forecast office that issued the report.
Tornadoes near your address
See every tornado that passed near a place you know, measured to its path.
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