Petroleum County Moon PhasesUnited StatesMTPetroleum County10:47 am7:12 pmWinnettSet at 10:47 am, Rise at 7:12 pm10:47 am7:12 pmWild Horse LakeSet at 10:47 am, Rise at 7:12 pmFlatwillowLittle Bear LakePetrolia LakeTeigenWar Horse LakeWar Horse National Wildlife RefugeWild Horse LakeWinnettYellow Water Reservoir