Your morning Montana weather update Multiple weather alerts are affecting Montana this Sunday, with dense fog creating hazardous travel conditions across eastern portions of the state and light snow showers impacting the Highway 2 corridor from Shelby to Harlem. This morning starts with temperatures in the upper 30s and patchy fog reducing visibility to a quarter mile or less in some areas. As we move through the day, expect gradual clearing with temperatures climbing steadily to reach 62 degrees by 5 P.M.