Severe Thunderstorm Watch

Full Alert Message

WATCH COUNTY NOTIFICATION FOR WATCH 596 NATIONAL WEATHER SERVICE CHICAGO IL 156 PM CDT SAT AUG 16 2025 The National Weather Service has issued severe thunderstorm watch 596 in effect until 7 PM CDT this evening for the following areas in illinois this watch includes 11 counties in north central illinois boone de kalb ogle winnebago in northeast illinois cook dupage kane kendall lake il mchenry will in indiana this watch includes 2 counties in northwest indiana lake in porter this includes the cities of algonquin, aurora, belvidere, bolingbrook, buffalo grove, byron, carol stream, chesterton, chicago, crystal lake, dekalb, downers grove, elgin, evanston, gary, gurnee, hammond, joliet, lemont, lombard, mchenry, merrillville, mundelein, naperville, oak lawn, oregon, orland park, oswego, park forest, plano, portage, rochelle, rockford, schaumburg, sycamore, valparaiso, waukegan, wheaton, wilmington, woodstock, and yorkville.