City by City Forecast:
BOZEMAN: LOW: 29°; HIGH TUESDAY: 42°. Cloudy with a few showers into this evening. Increasing rain or snow overnight into Tuesday morning. Above 6,000′ 2″ – 5″ of snow is possible by morning. Scattered valley rain or snow with an isolated rumble Tuesday afternoon and evening.
BUTTE: LOW: 25°; HIGH TUESDAY: 44°. Increasing clouds this evening with snow likely by Tuesday morning. Snow levels to fall down to 5,000′ and 1″ – 4″ of accumulating snow is possible Tuesday morning. Rain could mix with snow off and on throughout the day Tuesday.
DILLON: LOW: 30°; HIGH TUESDAY: 45°. Mostly cloudy with increasing valley rain or snow by Tuesday morning, snow likely above 5,000′ with 2″ – 5″ possible. Isolated weak thunderstorms could develop Tuesday afternoon.
WEST YELLOWSTONE: LOW: 25°; HIGH TUESDAY: 41°. Increasing snow overnight into Tuesday morning. Snow accumulations of 2″ – 5″ is possible for West Yellowstone by late morning but should be a rain-snow mix by afternoon. Isolated rumbles are possible.