Johnson County UV ForecastUnited StatesARJohnson CountyLow2.6ClarksvilleLow UV, 2.6Low2.6Coal HillLow UV, 2.6Low2.6KnoxvilleLow UV, 2.6Low2.6OzoneLow UV, 2.6BatsonClarksvilleClarksville Municipal AirportCoal HillHagarvilleHartmanHuntKnoxvilleLake DardanelleLake LudwigLamarOarkOzone