Massac County UV ForecastUnited StatesILMassac CountyHigh6.6MetropolisHigh UV, 6.6High6.6BrookportHigh UV, 6.6High6.2Mermet LakeHigh UV, 6.2Big BayBoazBrookportCretaceous Hills Nature PreserveFort Massac State ParkHillermanJoppaMassac Forest Nature PreserveMermetMermet LakeMetropolisMetropolis Municipal AirportNew ColumbiaRound KnobSamothShady GroveUnionville