Tornado Warning — Cook, IL — Jul 27, 2026
NWS LOT · ETN 52 · National Weather Service warning
Event Summary
The National Weather Service office LOT issued a tornado warning at 17:44 UTC on Jul 27, 2026 covering Cook, IL; Will, IL. The warning was in effect for 14 minutes, ending at Jul 27, 2026 17:58 UTC. At the last radar check, the storm was located near 41.54, -87.78, moving southeast at about 51 mph.
Timeline
- Issued
- Last updated
- Ended
Counties Affected
Towns in the Path
Storm Reports
| Time | Location | County / State | EF | Remarks |
|---|---|---|---|---|
| 1 ENE Hazel Crest | Cook, IL | EF1° | Updates prior report. An NWS storm survey confirmed an EF-1 tornado with peak winds of 110 mph... peak width of 200 yards... and path length of 11.4 miles impacted Coun (LOT) | |
| 1 ESE Markham | Cook, IL | Unrated | Concentrated tree and structural damage on the 2300 block of W 167th Street. Within likely tornado path. Time estimated by initial rotation passing over location via ra (LOT) | |
| 1 ENE Hazel Crest | Cook, IL | Unrated | Likely portion of tornado path in/near Markham. Concentrated area of tree damage along westbound I-80/I-294 at the Dixie Highway exit directly east and west of the exit (LOT) |
Preliminary local storm reports (SPC) within the warned area window — subject to revision after NWS surveys. ° = rating parsed from the NWS damage-survey text quoted in the SPC report narrative (derived, not an official F-scale entry).