Hours Of Operations Clarks South Dakota Yankton 57078 Clarks Hours of Operation and Location in Yankton, SD 57078 4.5 - 126 votes 800 E Highway 50, Yankton, SD 57078 (605) 665-3343 Get Directions Clarks Hours Category: Accessories Electronics Shoes Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore YanktonView More Apparel KmartCarharttJCPenneyCatherinesRainbow Sports VansAll SportsDiscovery LlcDunham's Sports Recommend For You Ace Hardware Tradehome Shoes Birkenstock Radio Shack Dunham's Sports Vera Bradley Fastenal Justice GNC Carhartt