Police said a white woman who appeared to be in her mid- to late-20s passed a note to a teller at the branch at 4530 Western Blvd. at about 11:30 a.m.
There was no indication that a weapon had been involved.
Witnesses said the woman was wearing a green, hooded sweatshirt, black hat, light pants and dark sunglasses with gold trim.
Raleigh police said the woman is also a suspect in several other robberies in the Wilmington area.
Anyone who might be able to identify the woman asked to call the RPD’s Detective Division at 919-996-3555 or Raleigh Crime Stoppers at 919-834-4357. Crime Stoppers pays cash rewards for anonymous tips that help solve cases.