The Brief Chicagoans are celebrating National Hot Dog Day today with deals across local favorites and national chains. National Hot Dog Day is today, July 16, and if anyone knows how to celebrate, it's Chicagoans. From Memorial Day to Labor Day, Americans typically scarf down 7 billion hot dogs, according to the aptly-named National Hot Dog and Sausage Council. National Hot Dog Day deals and freebiesAnyone looking for a pick-me-up this Wednesday can take advantage of these hot dog deals while supplies last. Dog HausFree hot dog for loyalty members on July 16, plus BOGO hot dogs from July 17–31.