Heat Advisory: Winnebago; Boone; McHenry; Lake; Ogle; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Kankakee; Livingston; Iroquois; Ford; Northern Will; Southern Will; Eastern Will; Lake; Porter; Newton; Jasper; Benton

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Heat Advisory — Winnebago; Boone; McHenry; Lake; Ogle; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Kankakee; Livingston; Iroquois; Ford; Northern Will; Southern Will; Eastern Will; Lake; Porter; Newton; Jasper; Benton Severity: Moderate. Certainty: Likely. * WHAT...Heat index values around 105 expected each afternoon * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From noon CDT /1 PM EDT/ today to 10 PM CDT /11 PM EDT/ Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.