Petroleum County Moon PhasesUnited StatesMTPetroleum County3:50 am5:24 pmWinnettRise at 3:50 am, Set at 5:24 pm3:50 am5:24 pmWild Horse LakeRise at 3:50 am, Set at 5:24 pmFlatwillowLittle Bear LakePetrolia LakeTeigenWar Horse LakeWar Horse National Wildlife RefugeWild Horse LakeWinnettYellow Water Reservoir