The Disney on Ice presentation of "Frozen" at the United Center at 7 p.m. Sunday was canceled, but the two earlier shows, at 11:30 a.m. and 3 p.m., were scheduled to go on as planned, according to the show's promoters. Adler Planetarium announced it will be closing early at 1 p.m. Sunday, and so did the Shedd Aquarium. Brookfield Zoo closed for the day, only the fifth time in the zoo's history.