Weather Report was an influential jazz fusion band of the 1970s and 1980s, one of the bands that defined the genre. Their initial style was collectively improvised free jazz with a strong rhythmic pulse and Latin influences; moving into more funk-oriented rhythms. The sound also developed from an acoustic lineup to increasingly synthesised textures as keyboardist Joe Zawinul embraced successive generations of technology.
The band was founded in . Popular albums include "Heavy Weather".