When Do Cicadas Come Out 2024 Illinois. A brood xiii cicada waits for its wings and new exoskeleton to dry. Here’s what to expect as cicadas make their debut in a historic emergence that hasn’t occurred in more than 200 years.

2024 is a big year for illinois. This year (2024) is a big year for periodical cicadas in illinois, where broods xiii and xix will be emerging throughout much of the state at the same time.