Five Tornadoes Confirmed in Illinois and Indiana Following Severe Weather Outbreak
Five Tornadoes Confirmed in Illinois and Indiana Following Severe Weather Outbreak
US · Published Aug 13, 2026
The National Weather Service (NWS) has confirmed that at least five tornadoes touched down in Illinois and Indiana during a severe weather outbreak on Tuesday, August 11,
Among the confirmed tornadoes, an EF-0 tornado with winds between 65-85 mph struck Oswego, Illinois, at approximately 10:15 a.m. An EF-1 tornado with peak winds of 90 mph was reported in Wilmington, Illinois. Three additional tornadoes, all rated EF-1 with winds between 86-110 mph, were confirmed in Chicago's southern suburbs, including Oak Forest, Flossmoor, and Mokena. Additionally, a tornado in Will County, Illinois, that extended into Crown Point, Indiana, was upgraded to EF-2 status, with winds between 111-135 mph. The NWS continues to survey storm damage in the region. Cleanup efforts are underway as power outages persist for hundreds of thousands of residents.

Impact & Risks

The tornadoes caused significant damage across Illinois and Indiana, particularly in the southern suburbs of Chicago. Trees were uprooted, homes were damaged, and power outages affected hundreds of thousands of residents. The EF-2 tornado in Will County caused extensive damage along its path to Crown Point, Indiana. The storms have left many communities grappling with cleanup efforts and power restoration. The risk of additional damage remains as the NWS continues to assess the full extent of the impact.

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