Montana does not have one weather, and it will not forgive a letter that pretends it does. A roof in the Flathead can carry snow for months. A roof on the Hi-Line takes wind that scours the snow off and then sandblasts what is left. The Bitterroot can be mild and wet while the country east of the mountains is already hard. Temperature swings crack what a steady cold would only freeze.
Western valleys, the mountain towns, and the eastern plains do not share a house. Missoula and the Flathead deal with wetter cold, heavier snow load, and wood that stays damp. Great Falls and the Hi-Line deal with wind and a fetch that has nothing in it. Miles City and the lower Yellowstone deal with a harder, drier cold. Helena sits between those habits. Name the town or the advice is fiction.
Chinook swings are their own problem on the east slope. A day that thaws and a night that freezes will split a line, lift a flashing, and make a condensate drain lie. People call that winter and stop looking. The swing is the detail. So is the difference between a cabin that sits empty and a house that is heated every night. Those are not the same plumbing call or the same pest call.
Your policy has to survive that variety. Wind, hail, snow load, and a wildfire question at the edge of the trees are not one deductible story. Read the page for the cause you actually have. Then match the trade: a leaking eave under snow, a whistling window, no heat after a swing, a well, or a slope that sheds water at the foundation. One statewide sentence will not name your ridge.
Say the town first, then the failure. Say whether snow is on the roof, the wind has lifted an edge, the heat quit after a thaw, or the cabin was closed up. Have the deductible if this is a claim. Montana is too large for a borrowed story from the next valley. Pick the trade and call.