St. Patrick's Day parade officials say good weather could bring out massive crowds this weekend, and they want Pittsburghers to be prepared. Why it matters: Pittsburgh has one of the largest St. Patrick's Day celebrations in the country — typically attracting about 300,

For Colin Bradley, director of the Philadelphia St. Patrick's Day Parade, celebrating Irish heritage and culture with the City of Brotherly Love is all in the family.

Parade is this Sunday. It will celebrate Irish heritage and culture. CBS News Philadelphia reporter Kim Hudson spoke to the parade director who says for him this is all part of a family tradition.