PITTSBURG, Kan. — The long-awaited new Dairy Queen on North Broadway is set to open Monday, August 30, the franchise has announced. On grand opening day, the first 100 customers to attend will receive a free mini Blizzard with any food purchase at the new DQ Grill & Chill location at 2111 N. Broadway. Additionally, on September 4, the restaurant will host a special doorbuster deal in which the first 100 customers to buy a 10” Blizzard Cake will receive one free GrillBurger per week for an entire year.