UPDATE: Fort Collins Police said Ethan returned home safe.

A 15-year-old Fort Collins boy has been missing since Saturday, according to Fort Collins Police.

The boy named Ethan reportedly left his home on Cornerstone Drive on Saturday after an argument. He didn't return home over the weekend or to school on Monday morning. His family is concerned for his welfare.

Ethan was last seen wearing a black jacket, black shorts, green and white Nike shoes, and a backpack.

Ethan has previously left home in the past and was later located as far as Denver and Boulder.

Anyone with information about Ethan's whereabouts is asked to contact Fort Collins Police officer Scott Maher at 970-221-6555.