Two Tornadoes Confirmed in Southern Cook County, Significant Damage Reported
Two Tornadoes Confirmed in Southern Cook County, Significant Damage Reported
US · Published Aug 13, 2026
The National Weather Service (NWS) has confirmed that two tornadoes touched down on Tuesday, August 11, 2026, in southern Cook County and eastern Will County, Illinois.
Wind speeds ranged from 80 to 95 mph, with gusts of 91 mph recorded in Mokena and 70 mph in Oak Lawn.

Impact & Risks

The tornadoes and storms have caused widespread damage to infrastructure, schools, and residential areas. Glenwood Academy and Marian Catholic High School remain without power, with significant disruptions to their operations. Fallen trees and debris have blocked roads, and some businesses, such as Magnolia Massage and Facial Spa in Mokena, have been forced to close temporarily. Metra train services were heavily delayed, with over 100 disruptions reported. Communities are bracing for additional rainfall, which could exacerbate existing damage and lead to further flooding. Residents in the affected areas are advised to remain vigilant as the weather remains unstable.

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