Trick or Treating at the Western MallTrick or Treating at the Western MallThinkstock/Tony Wright-Results Radio/KSFY TV (with permission)Share on TwitterShare on FacebookOctober 31 | 4:00 pm - 6:00 pmWestern Mall2101 W. 41st St., Sioux Falls, SD 57105 United StatesAdditional Information4-6PM. Participating Western Mall businesses will be handing out treats on Halloween.