Massac County UV ForecastUnited StatesILMassac CountyHigh6.4MetropolisHigh UV, 6.4High6.4BrookportHigh UV, 6.4High6.1Mermet LakeHigh UV, 6.1Big BayBoazBrookportCretaceous Hills Nature PreserveFort Massac State ParkHillermanJoppaMassac Forest Nature PreserveMermetMermet LakeMetropolisMetropolis Municipal AirportNew ColumbiaRound KnobSamothShady GroveUnionville