Sioux County UV ForecastUnited StatesNDSioux CountyModerate4.8Fort YatesModerate UV, 4.8Moderate4.2Cannon BallModerate UV, 4.2Moderate5.3SelfridgeModerate UV, 5.3Cannon BallCedar River National GrasslandFort YatesFort Yates Recreation AreaFroelich Dam State Game Management AreaLake OahePorcupineSelfridgeSlaughterhouse BaySolenStanding Rock Airport