Cicada 2024 Chicago Illinois. 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. One article from the university of illinois extension stated that brood xix, set to emerge in late may 2024, has a reputation for being the largest emergence of cicadas known anywhere, due to.

2024 is a special year for cicada season: A brood xiii cicada waits for its wings and new exoskeleton to dry and harden after climbing and.