Funnel Cloud in Boone County, Illinois
Funnel Cloud April 17, 2026 · Boone County, Illinois
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
McHenry County emergency management reported a funnel cloud near Capron.
The wider storm
A line of severe thunderstorms moved across all of northern Illinois during the evening of April 17th producing several tornadoes and wind damage. Large hail occurred across parts of northwest Illinois and flooding occurred across parts of northeast Illinois.
Began near Capron (42.4000, -88.7200).
Other tornadoes from the same storm system
10 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1333817. Narratives are written by the National Weather Service forecast office that issued the report.
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