Johnson County UV ForecastUnited StatesARJohnson CountyLow2.4ClarksvilleLow UV, 2.4Low2.4Coal HillLow UV, 2.4Low2.4KnoxvilleLow UV, 2.4Low2.4OzoneLow UV, 2.4BatsonClarksvilleClarksville Municipal AirportCoal HillHagarvilleHartmanHuntKnoxvilleLake DardanelleLake LudwigLamarOarkOzone