Police said the suspect walked into the First National Bank, 25 N. Kennedy Drive, and passed the teller a note demanding money around 10:45 a.m.
He made off with $2,100, fleeing on foot toward East 4th Street before heading south on North Cleveland Street, troopers said.
The suspect was a white man in his 30s with a black beard and a slender frame, according to investigators. Authorities said he wore a pink flannel/plaid jacket, sunglasses, and a gray or white baseball cap.
Anyone with information can call PSP Frackville at 570-874-5300.
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