Late season warm, humid tropical air brings Chicago’s longest multi-day 80-degree streak in a month; an 89-degree high Tuesday would be the city’s warmest in over a month; moist air introduces a day to day chance of scat t-storms

Notice: you are using an outdated browser. Microsoft does not recommend using IE as your default browser. Some features on this website, like video and images, might not work properly. For the best experience, please upgrade your browser.