Full Breakdown
June 11 2026 Severe Weather Outbreak Over Chicago Metro Area
6/15/2026, 10:38:40 PM
Outbreak Overview
On the night of June 11, a multi-state severe-weather system produced strong to severe thunderstorms that swept the Chicago metropolitan region. The National Weather Service (NWS) documented tornado touchdowns in Illinois, Indiana, and Wisconsin, including EF-3 tornadoes in Streator, IL, and Kouts, IN, and an EF-2 in Merrillville, IN. Straight-line winds exceeded 70 mph, toppling trees, snapping power poles, and damaging traffic signals. The storm forced the postponement of a White Sox-Braves series finale and grounded flights at Chicago’s O’Hare and Midway airports.
Timeline of Key Events
- June 11 18:30 CT – NWS issues tornado warnings for Chicago, northwest Indiana, and southern Michigan.
- June 11 22:42 UTC – EF-3 tornado strikes Streator, IL (damage reported at 22:51 UTC).
- June 11 23:00 CT – EF-2 tornado moves through Merrillville, IN; EF-3 tornado touches down near Kouts, IN.
- June 12 00:00 CT – Power outages peak: >650 000 customers without electricity across eight states.
- June 12 08:00 CT – Utility crews begin large-scale restoration; >99 % of Chicago outages restored by Monday morning.
Scope and Numbers
- Tornadoes confirmed: 13 (NWS initial), 17 (Illinois/Indiana tally), up to 20 (later surveys).
- Wind gusts: >70 mph (Chicago), 115 km/h (northwest Indiana).
- Power outages: 674 000 customers lost power during the night; 45 000 remained without service in Indiana the following day; 250 000 in Illinois and 170 000 in Indiana still dark by early Friday.
- Infrastructure damage: ~10 000 trees flagged for safety, ~700 traffic signals damaged, multiple high-school roofs torn off, and widespread roof loss on residential structures.
Key Agencies and Leaders
- National Weather Service – issued warnings, conducted damage surveys, and released tornado ratings.
- Commonwealth Edison (ComEd) – managed Chicago-area restoration; reported 45 000 customers still without power on Friday.
- NIPSCO – utility for northwest Indiana; reported 45 000 customers without power after the prior day’s storm.
- City officials – Department of Streets & Sanitation Commissioner Cole Stallard (tree-removal coordination) and Streator Mayor Tara Bedei (public safety messaging).
Community Impact
The storm left thousands without electricity, disrupted transportation, and forced emergency shelters in Naperville, Merrillville, and Streator. Damage to homes, schools, and businesses prompted Red Cross assistance and local “bulk-brush” collection programs. The loss of power and debris clearance delayed school reopening and threatened critical services such as hospitals.
Official Statements & Responses
ComEd described a “rebuild from the ground up” of the grid, prioritizing transmission lines serving hospitals. NIPSCO emphasized safety, urging residents to avoid downed lines while crews focused on restoring service to the most-affected neighborhoods first. Mayor Bedei thanked emergency personnel and affirmed that no fatalities occurred in Streator.
Criticism of Restoration Efforts
Residents in Calumet City reported seeing only 10–11 utility trucks after 16 hours without power, suggesting slower-than-expected restoration. NIPSCO warned that some customers could remain without electricity until Wednesday.
Eyewitness Accounts
- “I was terrified because I’ve never been through anything like that,” said Donna Hughes, Edgebrook Court resident, describing roof loss and shattered glass.
- “We got a second chance some people don’t,” noted Alice Schultz, a Streator survivor.
Conflicting Tornado Counts
Sources list 13, 17, and up to 20 tornadoes for the June 11 event, with the NWS confirming at least 11 by Saturday and later surveys indicating additional touchdowns. The exact number remains under review.
Verbatim Quotes
- “In a number of locations, we essentially had to rebuild parts of the electrical grid from the ground up,” — Jeremy Smith, ComEd spokesperson
- “We are incredibly grateful for the safety of our residents and the quick action of emergency personnel,” — Tara Bedei, Mayor of Streator
- “The paramedics had to use like a jaws of life to extract her from the home. But when the tree fell it also severed the gas line, so the gas was super loud. You could here it and you could smell it,” — Brian Holiday, Calumet City resident
- “I was terrified because I've never been through anything like that. I heard the 'woo' , the shattering of the glass, the roof tearing up you could hear it all,” — Donna Hughes, Edgebrook Court resident
Outlook and Recovery
The Storm Prediction Center forecasts an enhanced risk of severe weather across eastern Kansas, western Illinois, and the lower Missouri Valley on June 13-14, with potential for additional tornadoes and damaging wind gusts. Utility crews continue grid repairs, and local governments are coordinating debris removal and shelter services through the weekend.
