"Let It Snow! Let It Snow! Let It Snow!" is a popular Christmas song written by Sammy Cahn and Jule Styne in 1945. The song captures the cozy feeling of being indoors during a snowstorm, emphasizing the joy and warmth of the holiday season. Its catchy melody and cheerful lyrics have made it a favorite during winter celebrations. The song has been covered by numerous artists, including Dean Martin and Frank Sinatra, contributing to its enduring popularity. It is often played on the radio and featured in holiday movies, making it a staple of Christmas music playlists around the world.