Extreme Heat Warning: Buchanan; Delaware; Dubuque; Jones; Jackson; Clinton; Jo Daviess; Stephenson; Carroll; Whiteside; Henry; Bureau; Putnam

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Extreme Heat Warning — Buchanan; Delaware; Dubuque; Jones; Jackson; Clinton; Jo Daviess; Stephenson; Carroll; Whiteside; Henry; Bureau; Putnam Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values exceeding 100 degrees multiple days. * WHERE...Portions of north central and northwest Illinois and east central and northeast Iowa. * WHEN...From noon Monday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...There is the possibility that excessive heat will last for much of next week. Thunderstorms and associated cloud debris may interrupt the excessive heat at times late in the week.