Sioux County UV ForecastUnited StatesNDSioux CountyHigh6.9Fort YatesHigh UV, 6.9High6.8Cannon BallHigh UV, 6.8High6.9SelfridgeHigh UV, 6.9Cannon BallCedar River National GrasslandFort YatesFort Yates Recreation AreaFroelich Dam State Game Management AreaLake OahePorcupineSelfridgeSlaughterhouse BaySolenStanding Rock Airport