Severe Storms and Tornado Warnings Impact Chicago and Northwest Indiana
Severe thunderstorms and tornado warnings were issued across Chicago and Northwest Indiana on Monday, July 27, 2026. The storms brought heavy rain, damaging winds, and golf ball-sized hail, causing widespread power outages and significant damage. Nearly 320,000 customers lost power, and the city of Chicago received over 1,500 service requests related to flooding, downed trees, and damaged infrastructure. The National Weather Service (NWS) reported unconfirmed tornado sightings in Glen Ellyn, Orland Park, and Lansing, with damage assessments planned. Rainfall totals ranged from 1.5 to 3 inches, pushing the region's summer rainfall above average. A cold front is expected to bring relief starting Tuesday, but thunderstorms may return by the weekend.