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Extreme Heat Watch
ActiveClinton; Washington; Randolph; Madison; St. Clair
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* WHAT...Dangerously hot conditions with heat index values up to 109 possible.
* WHERE...Portions of south central and southwest Illinois and central and east central Missouri.
* WHEN...From Sunday afternoon through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Data from the National Weather Service
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