Cicadas Chicago 2024 Map. The historic 2024 cicada emergence will see two broods of cicadas emerging this spring, and while some sightings have already been reported, how can you know which brood. One brood of cicadas will be prevalent in the northern half of illinois, while the second brood will be in the southern half of the state.

The dual explosion of cicadas, which hasn’t been seen for centuries, will hit much of the state, but. We’re tracking where chicagoans have spotted cicadas in the city (yes, we know the suburbs are flooded).