Active AlertsWheeling, IL

What: Heat index values of 100 to 105 expected.
Where: Boone, De Kalb, Lee, Ogle, Winnebago, Central Cook, DuPage, Kane, Lake IL, McHenry, and Northern Cook Counties.
When: From noon today to 9 PM CDT this evening.
Impacts: Hot temperatures and high humidity may cause heat illnesses.

Take extra precautions when outside or consider altering outdoor plans. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.