ST. LOUIS, Mo. (First Alert 4)—Six Flags St. Louis has delayed its opening day due to weather. Forecasted inclement weather and flooding for Saturday forced the park to delay opening until Sunday.

Six Flags St. Louis will introduce a new smoke-free policy for the upcoming season, banning smoking, e-cigarettes, and vaping devices inside both its main theme park and the water park.

Six Flags St. Louis pushed back its opening date slightly. The first day of the 2025 season was originally set for Saturday, April 5. The park is now planning to open on Sunday, April 6 at 11 a.m ...