Active Weather Alerts
Heat Advisory
Issued: 4:55 PM Sep. 2, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Heat index values of around 105 expected. * WHERE...Boone, Winnebago, Central Cook, DuPage, Kane, Lake IL, McHenry, Northern Cook, and Southern Cook Counties. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
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