The National Weather Service on Friday warned that potentially strong tornadoes may develop on Saturday over the lower to middle Mississippi and Tennessee valleys. Lightning, wind gusts of at least 74 mph and hail of at least two inches will accompany the outbreak over parts of the valleys and Southeast through Sunday.

A powerful strom system is forecast to sweep the south Friday and into the weekend, spreading the threat for severe weather all across portions of the US.

Meteorologist Devon Lucie compares the differences in timing between forecasts for storms on Saturday then shows who's at the greatest risk for severe storms and strong tornadoes walking you through your parish-by-parish forecast showing the exact timing of storms where you are,

It's time to charge your cell phones. Nashville is facing a weekend of severe storms. State of play: The first wave of serious storms is expected to arrive late Friday night, according to the National Weather Service.

Severe storms are on the way this weekend and have the potential for unleashing powerful tornadoes and destructive hail across the South. A "squall line of storms" will begin to develop Friday afternoon in the central U.