Darci Burkstrand has been reported as an escapee/walkaway from the Passages pre-release center in Billings.
Burkstrand, 35 years old, left the facility at 10:05 p.m. on Monday, according to a news release.
She is 5-feet 1-inch tall, 130 pounds, with blond hair and hazel eyes.
Burkstrand was serving a sentence for accountability of burglary in Cascade County.
She arrived at Passages on April 13.
Anyone with information about Burkstrand should call the police or Sheriff's office.law enforcement.