CHESTERTON, Ind. -- Indiana State Police declared a Statewide Silver Alert for 60-year-old Francine Heater, a Chesterton resident, who is officially missing.

The Chesterton Police Department describe Heater as a white woman who is five feet four inches tall, 130 pounds, with gray hair and brown eyes.

Heater was last seen on Monday at 8 a.m. and drives a 2004 Chrysler PT Cruiser with Indiana license plate BLR269.

She is believed to be in extreme danger and may require medical assistance.

If you have any information on Francine Heater, contact the Chesterton Police Department at (219) 926-1136 or dial 911.