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

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,

There are parades changes in New Orleans on Mardi Gras day due to weather threats, although those changes appear to be in limbo.Jefferson Parish cancels parades on Tuesday | Houma announce parade changes | Download the WDSU Parade Tracker app | Parade schedule.