Chalk Mark in a Rain Storm is the 13th studio album by Canadian singer and songwriter Joni Mitchell, released in 1988. It was her third for Geffen Records. The album features various duets with guest artists such as Peter Gabriel on "My Secret Place", Willie Nelson on "Cool Water", Don Henley on "Snakes and Ladders", Billy Idol and Tom Petty on the track "Dancin' Clown". Henley also performs backing vocals on "Lakota", and Wendy and Lisa perform backing vocals on "The Tea Leaf Prophecy (Lay Down Your Arms)".