Ya, it has been a real doozy up that way. Here is a link to an article that appeared in the Billings Gazette earlier this week. I haven't been out that way to see it first hand, but sounds rough. From experience, you not only lose a bunch of critters, but your fawn crop is next to nothing so in essence you lose an age class moving forward. The weather in the western half of the state has been pretty average I think as far as snow and temps. Here is the link:
http://billingsgazette.com/news/state-and-regional/montana/article_ee95cd1c-83df-54e9-ae37-02b1a243c8af.html