South Dakota State FairSouth Dakota State FairSD State Fair 2017 LogoShare on TwitterShare on FacebookAugust 31 | 8:00 am - 5:00 pmCity of Huron Huron, SD United StatesEvent Website: www.sdstatefair.com Additional InformationIn Huron. Lots of entertainment, live music, wine pavilion, carnival, 4H events and so much more.