Tornado Warning Issued for Central and Southern Cook County, IL
This alert is no longer in effect.
NOAA issued it on July 7, 2026, 6 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Chicago has issued a Tornado Warning for central and southern Cook County until 8:45 PM CDT on June 11, 2026.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Cook County, Illinois
- Issued
- July 7, 2026
- Issuing authority
- NWS Chicago IL
Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.
Record status: historical. It was issued 6 weeks ago; use the issuing agency's live warning service for current conditions in Cook County, Illinois.
Alert Details
Tornado Warning issued by NWS Chicago IL. Effective from 2026-06-11T20:17:00-05:00 until 2026-06-11T20:45:00-05:00. Severity: Extreme. Urgency: Immediate. Certainty: Observed.
Affected Areas
Central and Southern Cook County in northeastern Illinois, including Chicago, Cicero, Orland Park, Tinley Park, Oak Lawn, Berwyn, Midway Airport, Austin, South Lawndale, Roseland, Calumet City, Bridgeport, Chicago Loop, South Shore, Dolton, Northerly Island, Near West Side, Chatham, Hyde Park, South Holland, and Hammond.
What You Should 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.
Expected Conditions
Severe thunderstorms capable of producing tornadoes and extensive straight line wind damage moving east at 65 mph. Radar indicated rotation. Flying debris will be dangerous. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely.
Timeline
Alert effective immediately on June 11 at 8:17 PM CDT and expires at 8:45 PM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,216 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 7, 2026.
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Common questions about this NWS weather alert.