Massac County UV ForecastUnited StatesILMassac CountyLow2.5MetropolisLow UV, 2.5Low2.5BrookportLow UV, 2.5Low2.4Mermet LakeLow UV, 2.4Big BayBoazBrookportCretaceous Hills Nature PreserveFort Massac State ParkHillermanJoppaMassac Forest Nature PreserveMermetMermet LakeMetropolisMetropolis Municipal AirportNew ColumbiaRound KnobSamothShady GroveUnionville