Cicadas Illinois 2024 Schedule. A buzzing cicada symphony will soon fill illinois’s trees as periodical cicada broods xii and xix are due to emerge from the ground in may and june. Where billions of cicadas will emerge this spring (and over the next decade), in one map.
This is the first time this has happened since 1803, and it won’t happen again until 2245! 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.