Tornado Warning and Severe Storms Impact Chicago Area
Tornado Warning and Severe Storms Impact Chicago Area
US · Published Aug 12, 2026
Chicago is under a tornado warning until 11:15 a.m. Tuesday, as severe storms bring destructive winds exceeding 75 mph, torrential rainfall, and potential flooding. The National Weather Service has reported possible tornado activity in south suburban Flossmoor, with winds measured over 120 mph. Warning sirens were heard across Chicago neighborhoods, and the heaviest storms were observed in southwest suburbs and northwest Indiana. This storm season has been particularly active, with Illinois nearing a record-breaking 200 tornadoes in
Rainfall totals at Midway Airport have already surpassed 20 inches since June 1, significantly above the seasonal average of 13 inches.

Impact & Risks

Residents in Chicago and surrounding areas face risks from destructive winds, flooding, and potential tornadoes. Wind gusts of 80-90 mph have been reported, causing large trees to fall and posing hazards to property and safety. The ongoing storm activity adds to an already record-breaking tornado season in Illinois, increasing the likelihood of further damage and disruptions. Flooding remains a concern due to the heavy rainfall, which has already exceeded typical summer levels.

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