IN FEBRUARY 1998, as NBC’s Late Night show went head-to-head with the winter Olympics on CBS, ratings plunged for host Conan O’Brien. In a sketch called “Nobody’s Watching,” O’Brien and his team made “confessions” they’d otherwise never get away with on-air. He praised the widely loathed ’90s boy band Hanson and smoked cigarettes while bandleader Max Weinberg described murdering Bruce Springsteen’s original drummer. One of the biggest laughs came after Al Roker strode onto the set.
“Nobody’s watching, right?” Roker asked O’Brien. He turned, looked straight into the camera, and said, “I have no interest whatsoever in the weather.”
The joke worked because, for many people, Al Roker is the weather. Since 1990, he’s walked America through rain and sleet and sun—and quite a few historic storms—on NBC’s Today show,…