* WHAT…Dangerously hot conditions with heat index exceeding 100 degrees multiple days. * WHERE…Portions of north central, northwest, and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. * WHEN…From Sunday afternoon through Tuesday evening. * IMPACTS…Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDIT
Source: National Weather Service
Indexed: Sat, 27 Jun 2026 11:17:50 UTC
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