The first Sunday Boo Ha Ha is in full gear with kids decked out in costumes line up along Brookside.
Kids are dressed up in a range of costumes are ready for the parade to start and for their bags to be stuffed with candy.
It is estimated that 15,000 people will attend the event.
Peoria from 33rd street to 46th street will be closed starting at 2:30 p.m. until after the parade which starts at 3 p.m.
KTUL will have more on the parade later.