Missing Thornton girl, 15, last spotted Tuesday night, police say

Investigators are searching for a teenage girl who was last seen Tuesday night in southwest Thornton, police said.

Serinity Lowery, 15, was last seen at about 7:30 p.m. Tuesday in the 8800 block of Huron Street, near where the street intersects 88th Avenue, according to the Thornton Police Department.

Serinity is a 5-foot-6-inch, 120-pound girl with red hair and hazel eyes, police said. She was last seen wearing light pants and a dark sweatshirt with black sandals.

Investigators are concerned for the teenager’s safety, police said.

Anyone with information on Serinity or her whereabouts is asked to call 911 or the Thornton Police Department at 720-977-5150.

🚨 Missing Person – Please help #ThorntonPD locate Serinity Lowery

Please share! We are urgently asking for the public’s help in locating Serinity Lowery, a 15-year-old who was last seen around 7:30 p.m. the evening of Sept. 30 near the 8800 block of Huron Street.

Serinity is 5… pic.twitter.com/kUzl0W18Zi

— Thornton Police Dept (@ThorntonPolice) October 1, 2025