Petroleum County Moon PhasesUnited StatesMTPetroleum County4:48 am7:01 pmWinnettRise at 4:48 am, Set at 7:01 pm4:48 am7:01 pmWild Horse LakeRise at 4:48 am, Set at 7:01 pmFlatwillowLittle Bear LakePetrolia LakeTeigenWar Horse LakeWar Horse National Wildlife RefugeWild Horse LakeWinnettYellow Water Reservoir