Across large portions of the country from coast to coast, dangerously high temperatures are spreading. Storms hit the Midwest while the West suffers record heat amid wildfires, and it comes as an alarming new UN report warns about climate change. NBC’s Shaquille Brewster reports from Chicago and TODAY’s Al Roker forecasts where the heat is headed and how bad it will be. » Subscribe to TODAY: http://on.today.com/SubscribeToTODAY » Watch the latest from TODAY: http://bit.ly/LatestTODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: http://on.today.com/ReadTODAY Find TODAY on Facebook: http://on.today.com/LikeTODAY Follow TODAY on Twitter: http://on.today.com/FollowTODAY Follow TODAY on Instagram: http://on.today.com/InstaTODAY #Heatwave #Weather #News