Sioux County UV ForecastUnited StatesNDSioux CountyLow2.4Fort YatesLow UV, 2.4Low2.2Cannon BallLow UV, 2.2Low2.5SelfridgeLow UV, 2.5Cannon BallCedar River National GrasslandFort YatesFort Yates Recreation AreaFroelich Dam State Game Management AreaLake OahePorcupineSelfridgeSlaughterhouse BaySolenStanding Rock Airport