Chance the Rapper throwing out the first pitch of the season on the White Sox' opening day in April 2016 Credit: Ashlee Rezin/Sun-Times

Welcome to the Reader‘s morning briefing for Monday, July 25, 2016.

  • Weather: Hot, humid, and sunny

After a blistering weekend, it will be hot and humid again Monday, with a high of 85 and a low of 71. It will be sunny, and no more rain is expected. [AccuWeather]

  • Chance the Rapper hosting a music festival at U.S. Cellular Field

Local rap hero Chance the Rapper is hosting a full-blown music festival at U.S. Cellular Field on September 24 as a part of his Magnificent Coloring world tour. Not only will Chance perform, but he’s bringing some high-profile and talented friends: John Legend, Alicia Keys, Skrillex, Lil Wayne, and others. [Stereogum] [Entertainment Weekly]

  • CPS teachers respond to Rauner calling half of them “virtually illiterate”     

Governor Bruce Rauner found himself under fire for saying that half of Chicago Public Schools teachers are “virtually illiterate” in a recently released 2011 e-mail. A group of teachers interrupted one of his press conferences Friday to attack him and challenged him to a “read-off.” After security escorted the teachers out, the governor apologized for what he wrote five years ago. [Sun-Times]

  • White Sox clubhouse drama: pitcher cuts up throwback jerseys

White Sox star pitcher Chris Sale was all over the national news this weekend for reportedly cutting up all of the team’s 1976 throwback jerseys Saturday. It was a brutally hot and humid evening for a baseball game, and he reportedly thought the collared jerseys would make it even harder to play and that “PR and jersey sales” were more important to the team than winning. Sale is arguably the White Sox’ best player, but the team still suspended him for five games. [SB Nation]

  • All of Rahm’s former City Hall employees: where are they now?

Working for Mayor Rahm Emanuel at City Hall isn’t an easy job, but it’s a fantastic learning experience, former chief of staff Lisa Schrader told the Sun-Times. “It was grueling, but the environment sharpens your intellect in a way few experiences can,” she said. There’s been a lot of turnover since Rahm took office in 2011. Shia Kapos looks at what Rahm’s former top aides are doing now. [Sun-Times]

  • Nearly 100 CPS schools have dangerous lead levels in their water

The Chicago Public Schools’ lead crisis is deepening, as 24 more schools have dangerous amounts of lead in their drinking water. The latest tests bring the district’s total up to 99 schools. [DNAinfo Chicago]