The 20th Annual RibFest will be held at the W.H. Lyon Fairgrounds on June 1-3, 2017. Thursday : 11 am - 11 pm Friday : 11 am - 11 pm Saturday : 11 am - 11 pm (FREE admission from 11 am - 4 pm for KidzFest sponsored by Sanford Children's) RibFest is produced by SMG Sioux Falls, Sioux Empire Fair Association, and Pepper Entertainment. It is sponsored by Campbell's.