Musselshell County UV ForecastUnited StatesMTMusselshell CountyModerate5.9RoundupModerate UV, 5.9Moderate5.6MusselshellModerate UV, 5.6Moderate5.6MelstoneModerate UV, 5.6Camp ThreeDevils Hole LakeKleinLake Mason National Wildlife RefugeMelstoneMiller LakeMusselshellRoundupRoundup Airport