Unrelenting heat grips US from West Coast to Florida

From California to Florida, more than 60 million people are under heat alerts, facing potentially dangerous temperatures. This comes after a week of catastrophic flooding in the Northeast. NBC’s Blayne Alexander reports and Al Roker tracks the forecast for TODAY. » Subscribe to TODAY: » Watch the latest from TODAY: 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: Find TODAY on Facebook: Follow TODAY on Twitter: Follow TODAY on Instagram: » Stream TODAY All Day: About: TODAY All Day is a 24/7 streaming channel bringing you the top stories in news and pop culture, celebrity interviews, cooking, and more. All in one place. #weather #heat #summer