Tornado Warning — Warned Area, IL — Jun 12, 2026

NWS LOT · ETN 43 · National Weather Service warning

Radar-indicated position & projected track

Event Summary

The National Weather Service office LOT issued a tornado warning at 00:54 UTC on Jun 12, 2026. The warning was in effect for 16 minutes, ending at Jun 12, 2026 01:10 UTC. At the last radar check, the storm was located near 41.97, -88.21, moving east-northeast at about 35 mph.

Timeline

Issued: Jun 12, 2026 00:54 UTC
Last updated: Jun 13, 2026 11:15 UTC
Ended: Jun 12, 2026 01:10 UTC

Counties Affected

Cook, IL DuPage, IL

Towns in the Path

Addison, IL Bloomingdale, IL Roselle, IL Bartlett, IL Hanover Park, IL Schaumburg, IL Hoffman Estates, IL

Storm Reports

Time	Location	County / State	EF	Remarks
Jun 12, 2026 01:04 UTC	2 ESE Naperville	DuPage, IL	UNK	NWS survey confirms a preliminary EF-0 tornado. Peak winds of 80 mph... width of 150 yards... and length of 1.3 miles. (LOT)
Jun 12, 2026 01:15 UTC	1 S Willow Springs	Cook, IL	UNK	* 6 INJ * NWS survey confirms a preliminary EF-2 tornado. Peak winds of 120 mph... width of 350 yards... and length of 8.4 miles. (LOT)

Preliminary local storm reports (SPC) within the warned area window — subject to revision after NWS surveys.