Petroleum County Moon PhasesUnited StatesMTPetroleum County9:40 am5:47 pmWinnettRise at 9:40 am, Set at 5:47 pm9:40 am5:47 pmWild Horse LakeRise at 9:40 am, Set at 5:47 pmFlatwillowLittle Bear LakePetrolia LakeTeigenWar Horse LakeWar Horse National Wildlife RefugeWild Horse LakeWinnettYellow Water Reservoir