Mardi Gras celebrations in New Orleans could be canceled as severe storms rumble through the South, bringing strong winds and the threat of tornadoes Tuesday.

Strong winds and severe thunderstorms in the New Orleans area Tuesday have altered some Mardi Gras plans. Here's what to know.

Powerful storms with a threat of tornadoes are expected to punch through Louisiana and other parts of the South on Tuesday just as huge parades and costumed revelers are set to celebrate Mardi