A powerful storm system roared across the Midwest and South Friday night, unleashing a series of tornadoes that carved paths of destruction and left at least three dead in Missouri.

The threat of tornadoes is moving east into the Mississippi Valley and Deep South a day after a massive storm system moving across the country unleashed winds that damaged buildings, whipped up dust storms that caused deadly crashes and fanned

At least 17 people have been killed in a monster storm sweeping across much of the U.S. Ten people were killed in Missouri after a tornado outbreak

The most dangerous threat was in parts of Louisiana and Mississippi, where intense long-duration tornadoes were striking on Saturday, forecasters said.