Custer County Weather ForecastUnited StatesSDCuster County2446CusterBecoming Sunny2854HermosaBreezy2754FairburnBreezy2650DeweyMostly Sunny2755Buffalo GapMostly SunnyBig Rock ParkBismark LakeBrown FieldBuffalo GapCenter LakeCrazy HorseCusterCuster County AirportCuster State ParkCuster State Park AirportDeweyFairburnHermosaJewel Cave National MonumentLegion LakePringleSanatorStockade LakeSylvan LakeWind Cave National Park