Severe thunderstorms are disrupting Memorial Day weekend across the South and Plains, impacting millions just as air travel hits record levels. Over three million passengers were screened Friday, marking one of the busiest travel days in U.

Weather and flood threats increase into holiday weekend. Any pause in storminess after the week-long barrage that ended Wednesday is short-lived, as severe weather and flood threats increase into Memorial Day weekend across a big chunk of the south-central United States.

The Memorial Day weekend kicked off with a multi-day thunderstorm and heavy rainfall system hitting the south-central part of the country, forecasters said.