May 25, 2015 is a federal holiday in the United States. Although some stores are closed, majority of the major retailers are open, including Walmart.
Home Depot is open on Memorial Day with regular hours.
Lowe’s is open with regular hours.
Sears is open and has a Memorial Day sale.
Macy’s is open and will also be having a Memorial Day sale.
Best Buy is also open and will have a Memorial Day sale.
Note: Call your store to make sure that they are open.