 33 people dead, dozens wounded. In Chicago alone, at least 11 people have been killed. More on these stories, townhall.com. Talk Radio 680 WCBM. Excessive heat warning remains in effect until 8 this evening. The high temperature will hover close to 100. Wrapping up the afternoon, the heat index around 110 with a slight chance for a thunderstorm and then some clouds overnight with a low of 77. A sunny end to the weekend tomorrow with a high of 96. Then some afternoon storms Monday with a high of 94.