Six Flags St. Louis opens today, June 22 for the 2020 season and has announced that Six Flags Hurricane Harbor will open on July 10. In accordance with CDC, state, and local reopening guidelines, the parks will operate at reduced attendance levels and implement an extensive Health and Safety Measures plan. The theme park is operating in preview mode from June 22-25 and open exclusively to Members and Season Pass Holders. The theme park will open to all guests on June 26. Hurricane Harbor will open to the general public on July 10, however only Members and Season Pass holders will be granted entry to the waterpark the first two hours of operation July 10–12. Learn more here and reserve your spot here.