Jeanine Wisniewski

Police are asking the public’s help in finding a missing 58-year-old woman who has dementia.

Jeanine Wisniewski was last seen leaving a treatment center on Bow Street, Harvard Square, at around 3 a.m. Saturday.

She was last seen wearing a gray pompom winter hat and a long black jacket. She has light complexion, auburn hair, brown eyes and is approximately 5-foot-4 and slight, weighing only 84 pounds.

Anyone who sees Wisniewski or may have information about her location is asked to call 911 immediately or police at (617) 349-3300.