1. Today is the first day of Lollapalooza, with Lorde and Muse headlining. The fest runs from 11:30am to 10pm in Grant Park.
2. More than 50,000 yellow duckies will “race” down the Chicago River today at the Windy City Rubber Ducky Derby. It’s a $5 donation to adopt a duck, and the race kicks off at the Wrigley Building at 1pm.
3. The writers of ClickHole, The Onion’s satirical clickbait sister site, perform their monthly stand-up and solo sketch show at the Hideout tonight. The show starts at 9pm and is $10.
For more events, check in with Time Out Chicago throughout the day.