Watch Al Roker emcee a weather showdown between Dylan and Jenna

03:40

In honor of Al Roker’s first children’s book, “Al Roker's Extreme Weather: Tornadoes, Typhoons, and Other Weather Phenomena,” Al emcees a showdown on weather lore between Jenna Bush Hager and Dylan Dreyer, each teamed with an Al Roker superfan. Who will win?