Story perspectives

Tornadoes Strike Central Illinois, No Injuries, Flights Canceled, Power Outages

6/18/2026

Summary

Story summary

Morning thunderstorms pushed the warm front south, shifting tornado risk to central Illinois and keeping a tornado watch for LaSalle and Grundy counties until 3 p.m.
The Storm Prediction Center confirmed several tornado touchdowns in central Illinois on June 17, 2026, with no injuries reported.
Ground stops at O'Hare and Midway airports canceled 200 flights at O'Hare and at Midway, while 1,400 customers in Indiana and thousands in Illinois remained without power.

History

Historical Context

The May 2-5, 1999 Great Plains tornado outbreak produced 71 tornadoes on May 3, including an F5 Bridge Creek–Moore tornado with a record 321 mph wind and 36 deaths, prompting a federal disaster declaration. Decades later, a June 17, 2026 thunderstorm system forced the Storm Prediction Center to issue a tornado watch for LaSalle and Grundy counties, highlighting ongoing vulnerability of the Plains to severe storms.

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Story summary

Morning thunderstorms pushed the warm front south, shifting tornado risk to central Illinois and keeping a tornado watch for LaSalle and Grundy counties until 3 p.m.
The Storm Prediction Center confirmed several tornado touchdowns in central Illinois on June 17, 2026, with no injuries reported.
Ground stops at O'Hare and Midway airports canceled 200 flights at O'Hare and at Midway, while 1,400 customers in Indiana and thousands in Illinois remained without power.

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