Winterfest Opening Day at Kiener Plaza

Winterfest returns under the Arch with free ice skating all day, the Ameren Festival of Lights, photos with Santa, holiday performances, a holiday expo with chef demos, live reindeer, the Salvation Army Tree of Lights ceremony, a drone show at 6:30 p.m. and fireworks at 7 p.m. Free to attend; skate rentals and igloos ticketed at archpark.org/winterfest. Noon to 8 p.m.