As communities in the central US grapple with widespread devastation from a line of deadly storms that spawned dozens of tornadoes this week, forecasters are warning of another grave threat to the region: relentless rain into the weekend,

Rain in Middle Tennessee through Sunday will create a significant flood threat with Nashville facing 6 inches of rain or more and Clarksville 10 inches.

A "slight" threat of severe weather continues for Middle Tennessee Thursday, the National Weather Service says, after a round of storms brought damaging winds and heavy rain.

Multiple rounds of torrential downpours will lead to widespread flooding this weekend. Severe weather is also expected.

At least six people have been killed in a wide swath of violent storms and tornadoes that hit the South and Midwest

The National Weather Service warned on Thursday of "generational" floods in the U.S. South and Midwest as storms ripped across a swath of the country from Texas to Michigan, whipping up tornadoes and killing two people.