Johnson County UV ForecastUnited StatesTNJohnson CountyLow0.8Mountain CityLow UV, 0.8Low0.8Shady ValleyLow UV, 0.8Low0.7TradeLow UV, 0.7ButlerCherokee National ForestJohnson County AirportLaurel BloomeryMountain CityNevaShady ValleyTrade