SIOUX FALLS, S.D. (KELO) — A sweet, summer tradition that benefits the Sanford Children's Hospital in Sioux Falls is happening all day Thursday, July 30. Ice cream machines had an early wake-up call at several Sioux Falls Dairy Queen locations Thursday. Every Blizzard and Blizzard coupon bought th is Miracle Treat Day supports local families. "It [...] ...read more read less