⌛ TIME MACHINE

Tornado sirens accidentally set off overnight in DuPage County

5 verified updates • corroborated by 2 independent sources • tracked since August 18, 2026

Part of ongoing coverage: Weather

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  08:31 AM 1 source: Chicago Tribune

  Tornado sirens accidentally set off overnight in DuPage County
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  10:01 PM 1 source: chicagotribune.com
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  10:31 PM 1 source: Chicago Tribune
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  11:01 PM 1 source: chicagotribune.com
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  11:31 PM 1 source: Chicago Tribune