Al Roker joins Kathie Lee and Hoda to play Who Knew about weather05:32
In honor of Al Roker’s new book, ”Ruthless Tide: The Heroes and Villains of the Johnstown Flood, America's Astonishing Gilded Age Disaster,” Al himself joins Kathie Lee and Hoda to quiz TODAY fans in a special edition of our Who Knew? trivia game focusing on the weather. Is “Voldemort” on the list of 2018 storm names? Find out!