Record Breaking Heat Wave And Drought in Western U.S.

Record breaking heat and a lack of rainfall are threatening the western half of the U.S. The heat will not only affect Arizona this week, but also Montana, Wyoming, Utah, Colorado and California.» Subscribe to NBC News: » Watch more NBC video: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! NBC News App: Breaking News Alerts: Visit : Find NBC News on Fa