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.

A winter storm that blanketed parts of the Midwest and Northeast with heavy snow and ice also unleashed severe weather, including tornadoes and damaging winds, across the South and Southeast on Wednesday.

A pair of threats are in play in parts of the South this weekend, especially Saturday. Here's what you need to know.