The 50,000 acre fire was 3 years ago-
The Idaho Mountain Express has an article detailing the regrowth in the big burn next to Ketchum and Hailey, Idaho. This is a very popular recreation area, so its restoration is noticeable to a lot of people. Similar articles could be written about several million more acres of burns in central Idaho — burns of the last decade.
The Idaho places where restoration is not going well are the millions of acres of rangelands (more properly sagebrush steppe) where cheatgrass has fueled vast fires, destroying native grasses, forbs and shrubs, creating more of itself for future fires. This year about 3/4 million acres of Idaho rangeland has burned.
Related. Utah has mildest wildfire season in a decade. By jason bergreen. The Salt Lake Tribune
More related. Rain, snow and lower temperatures help tame central Idaho wildfire. Idaho Statesman.