LINCOLN, Neb. (KOLN) – The Walmart Supercenter at 4700 N 27th St is closing Sunday at 2 p.m.as part of a company-initiated program to allow third-party cleaning crews time to thoroughly clean and sanitize the building, according to a Walmart press release. The location will remain closed through Monday, December 28, providing associates time to restock shelves and prep the store to reopen on Tuesday, December 29 at 7 a.m.