https://www.gamespot.com/articles/fortnite-server-downtime-over-season-4-update-live/1100-6458606/

Update: Fortnite's server downtime has now ended, meaning you can get started with the Season 4 update on PS4, Xbox One, PC, and mobile. Original story follows.

Season 4 of Fortnite: Battle Royale is just around the corner. Epic is kicking off the next season of its popular battle royale game on PS4, Xbox One, PC, and mobile tomorrow, May 1, which will be preceded by a period of downtime as the developer deploys the title's latest update.