Sioux County UV ForecastUnited StatesNDSioux CountyLow1.6Fort YatesLow UV, 1.6Low1.6Cannon BallLow UV, 1.6Low1.6SelfridgeLow UV, 1.6Cannon BallCedar River National GrasslandFort YatesFort Yates Recreation AreaFroelich Dam State Game Management AreaLake OahePorcupineSelfridgeSlaughterhouse BaySolenStanding Rock Airport