Nearly 100 million in US under icy grip of arctic weather

Dangerously low temperatures are maintaining an icy grip on the United States, with 95 million still under wind chill alerts. The frigid winter blast is also wreaking havoc on air travel, with more than 2,400 flights canceled on Tuesday. NBC’s Maggie Vespa reports and TODAY’s Al Roker tracks the latest forecast. » Subscribe to TODAY: @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 D