The stretch of interstate between Missoula and Coeur d'Alene is a beautiful, winding drive along rivers, through trees, and around lake Coeur d'Alene. But the towns along that stretch are pretty small. Still, there are a few places you can stay.
A Chicago-themed Instagram account explains why "palm tree people" shouldn't visit cold states in the summer, and even has a specific shout-out to Montana.