Valley Fair Opening Day 2025 Schedule. Valleyfair opens to the public for its 2025 season on may 11, and this year’s lineup includes events like latin days and corn fest. Another incredible season awaits with the fun and thrills for everyone officially returning for the season.
October 2025 crowd calendar for valleyfair. Valleyfair opens to the public for its 2025 season on may 11, and this year’s lineup includes events like latin days and corn fest.