Petroleum County Moon PhasesUnited StatesMTPetroleum County4:43 am2:49 pmWinnettSet at 4:43 am, Rise at 2:49 pm4:43 am2:49 pmWild Horse LakeSet at 4:43 am, Rise at 2:49 pmFlatwillowLittle Bear LakePetrolia LakeTeigenWar Horse LakeWar Horse National Wildlife RefugeWild Horse LakeWinnettYellow Water Reservoir