* WHAT…Peak Daily Heat Index Values up to around 105 degrees. * WHERE…All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN…Until 7 PM CDT /8 PM EDT/ Friday. * IMPACTS…Record to near record hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS…The Heat Advisory has been extended thru Friday for the entire Quad State Regi
Source: National Weather Service
Indexed: Tue, 15 Sep 2026 17:46:31 UTC
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