Flood in McHenry County, Illinois
Flood June 11, 2026 · McHenry County, Illinois
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Roadway flooding was reported near Route 120 and Route 47. A nearby personal weather station measured 3.39 inches of rain in two hours ending at 18:40 CST.
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 Woodstock (42.3253, -88.4478).
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 1345195. Narratives are written by the National Weather Service forecast office that issued the report.
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