Wisconsin Valley Fair 2025 Lineup. The wisconsin valley fair is the 2nd largest fair in wi featuring junior fair and open class exhibits being judged daily. Wisconsin state fair park in west allis is the home for the wisconsin state fair, presented by uscellular.
The gates will open at 4:00 pm to allow you to set lawn chairs or blankets. The wisconsin valley fair this week unveiled its entertainment lineup for the 2024 season, with the annual fair running from july 30 through aug.