Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and our meteorologists. S​evere thunderstorms and tornadoes are a threat in the South this weekend as a dangerous threat of flooding rain spreads as far north as the Ohio Valley and central Appalachians.

Strong tornadoes are possible across the South as storms pass through the Gulf Coast region. Some locations could see half a foot of rain, worsening flooding.

The National Weather Service has issued a tornado watch for the Mississippi Coast and is monitoring two storm systems expected to rumble through the region this week.