When does Welcome to Night Vale return?

Welcome to Night Vale is a podcast presented as a radio show for the fictional town of Night Vale. The series was created in 2012 by Joseph Fink and Jeffrey Cranor. Cecil Gershwin Palmer is the host, main character, and narrator.
Welcome to Night Vale takes place in the fictional town of Night Vale, a desert town somewhere in the southwestern United States. In this town, the myriad of paranormal and supernatural occurrences are treated as mundane.