Cicada 2024 Timeline. As cicada emergence begins, just how rare is this event, and what do you need to know there are plenty of questions surrounding the 2024 cicada emergence,. 2024 is a special year for periodical cicadas:

The two cicada broods will emerge in a combined 17 states across the southeast and midwest, with an overlap in parts of illinois and iowa. For the first time since 1998 adjacent.