* WHAT…Dangerously hot and humid conditions with continued heat index values of 100 to 105 expected, along with nighttime lows not falling below the mid to upper 70s. * WHERE…Portions of west central Illinois, southeast Iowa, and northeast Missouri. * WHEN…Until 10 PM CDT Friday. * IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events.
Source: National Weather Service
Indexed: Fri, 03 Jul 2026 05:16:45 UTC
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