Severe thunderstorms and flooding rainfall are pounding a large portion of the central and southern United States Monday, including areas still recovering from destructive storms over the weekend.

Oklahoma has already seen some strong storms and tornado warnings amid another very significant severe weather day on Monday.

Tens of millions of Americans are flocking to polling locations across the nation on Election Day, and in some cases, the weather will be a factor for those waiting in lines outside. The nation is divided by a sprawling south to north cold front.