Jefferson Parish officials are canceling Mardi Gras Day parades because they are worried strong winds could flip floats, send tents flying and create other unsafe conditions. Why it matters: It's the first time the holiday's parades have been canceled in recent memory,

Thousands of revelers in outlandish costumes will fill the streets of New Orleans as the city celebrates Mardi Gras Day.

There was never any question that Mardi Gras would go forward after the New Year’s Day terror attack in New Orleans. But some revelers felt at least a hint of trepidation.