Johnson County UV ForecastUnited StatesARJohnson CountyLow2.8ClarksvilleLow UV, 2.8Low2.8Coal HillLow UV, 2.8Low2.8KnoxvilleLow UV, 2.8Low2.8OzoneLow UV, 2.8BatsonClarksvilleClarksville Municipal AirportCoal HillHagarvilleHartmanHuntKnoxvilleLake DardanelleLake LudwigLamarOarkOzone