Custer County Weather ForecastUnited StatesSDCuster County6690CusterMostly Sunny7197HermosaHot7197FairburnHot7297DeweyHot7199Buffalo GapHotBig Rock ParkBismark LakeBrown FieldBuffalo GapCenter LakeCrazy HorseCusterCuster County AirportCuster State ParkCuster State Park AirportDeweyFairburnHermosaJewel Cave National MonumentLegion LakePringleSanatorStockade LakeSylvan LakeWind Cave National Park