Johnson County UV ForecastUnited StatesTNJohnson CountyModerate4.1Mountain CityModerate UV, 4.1Moderate4.1Shady ValleyModerate UV, 4.1High6.1TradeHigh UV, 6.1ButlerCherokee National ForestJohnson County AirportLaurel BloomeryMountain CityNevaShady ValleyTrade