The Teton County district is Titanium D. Massachusetts is more likely to become unanimous, but under the current lines, the most Republican district still goes Republican by double digits, so it would be a very tall order. This all depends on redistricting, of course.
Funnily enough the Teton district was R held as recently as 2018.
It was held by moderate republican, IIRC.. With every passing year there are fewer and fewer of them... And they are (just as their moderate counterparts in Democratic party) are, usually, doubly endangered: to ideologized idiots in primaries, and (as their districts are, usually, very swingy) to other party candidates in general elections.