Johnson County UV ForecastUnited StatesTNJohnson CountyModerate3.5Mountain CityModerate UV, 3.5Moderate3.5Shady ValleyModerate UV, 3.5Moderate3.6TradeModerate UV, 3.6ButlerCherokee National ForestJohnson County AirportLaurel BloomeryMountain CityNevaShady ValleyTrade