Johnson County UV ForecastUnited StatesTNJohnson CountyHigh7.3Mountain CityHigh UV, 7.3High7.3Shady ValleyHigh UV, 7.3High7.4TradeHigh UV, 7.4ButlerCherokee National ForestJohnson County AirportLaurel BloomeryMountain CityNevaShady ValleyTrade