Active Weather Alerts
Heat Advisory
Issued: 11:29 PM Jun. 28, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON MONDAY TO 10 PM CDT WEDNESDAY... * WHAT...Heat index values around 105 expected each afternoon * WHERE...DuPage, Kane, Lake IL, and McHenry Counties. * WHEN...From noon Monday to 10 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. &&
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