NWS Chicago ILTO.W 0052July 27, 2026
Tornado Warning: Cook, DuPage and Will, IL
The National Weather Service office in Chicago issued a tornado warning for Cook, DuPage and Will in Illinois, which was in force until 1:15 p.m. local time on July 27. It was the 52nd tornado warning the NWS office in Chicago issued in 2026. Illinois had 17 tornado warnings in July 2026, against 10 in an average July of 2008-2025 (Illinois's tornado warnings by year).
ExpiredWarning
In force for 1.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Chicago IL
- Area
- Cook, DuPage and Will
- State
- Illinois
- Level
- Warning
- Issued
- 12:10 p.m. CDT, July 27, 2026
- Expires
- 1:15 p.m. CDT, July 27, 2026
- CAP severity, certainty, urgency
- Extreme, Observed, Immediate
- VTEC event
- KLOT TO.W 0052
- Official source
- National Weather Service: the notice at its source
Tornado Warnings in Illinois since 2008Every warning type in Illinois
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for... North central Will County in northeastern Illinois... Southeastern DuPage County in northeastern Illinois... South central Cook County in northeastern Illinois... * Until 115 PM CDT. * At 1209 PM CDT, a severe thunderstorm capable of producing a tornado was located over Downers Grove, moving southeast at 30 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * This dangerous storm will be near... Bolingbrook, Woodridge, Lemont, Burr Ridge, Darien, and Willow Springs around 1215 PM CDT. Orland Park and Homer Glen around 1225 PM CDT. Other locations in the path of this tornadic thunderstorm include Tinley Park, Mokena, Frankfort, Frankfort Square, Matteson, Country Club Hills, Richton Park, Olympia Fields and Park Forest.
What the agency told people to do
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.