Six Tornadoes Confirmed After Derecho Hits Iowa, Illinois, and Indiana
Six Tornadoes Confirmed After Derecho Hits Iowa, Illinois, and Indiana
US · Published Aug 13, 2026
A powerful derecho swept through eastern Iowa, northern Illinois, and northern Indiana on August 11, 2026, producing at least six confirmed EF1 tornadoes and causing widespread damage.
The National Weather Service (NWS) confirmed three tornadoes in Delaware County, Iowa, and three more in the Chicago area, with two crossing into Lake County, Indiana.

Impact & Risks

The derecho and associated tornadoes caused significant disruption and damage across the affected regions. A 4-year-old boy tragically lost his life in Geneva Township, Indiana, when a tree fell on his home. The storm left over 600,000 residents without power, particularly in Lake and Porter counties in Indiana and Will County in Illinois. Transportation was heavily impacted, with blocked roads and flight delays at major airports in Chicago. The strong winds and tornadoes also caused widespread structural damage, posing risks to residents and emergency responders working to clear debris and restore services.

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