Sioux County UV ForecastUnited StatesNDSioux CountyLow2.7Fort YatesLow UV, 2.7Low2.5Cannon BallLow UV, 2.5Low2.7SelfridgeLow UV, 2.7Cannon BallCedar River National GrasslandFort YatesFort Yates Recreation AreaFroelich Dam State Game Management AreaLake OahePorcupineSelfridgeSlaughterhouse BaySolenStanding Rock Airport