Betty Mae Gery, a resident of Red Hill Borough, Montgomery County is missing, state police said.
Gery, 75, was last seen around 8:00pm Sunday wearing light colored blue jeans, a black, blue and white plaid shirt and sneakers.
She is approximately 5-feet-5-inches tall weighting approximately 150 pounds. She has blue eyes and partially graying hair.
Gery may be confused or displaying signs of dementia.
If you see her, you're asked to call the State Police in Skippack at 610-584-01250 or 911.