There has been one additional confirmed fatality in Ouachita Parish. Separately, one person died when a vehicle was submerged in floodwaters in Calhoun, also near Monroe.
The Robertson County Sheriff's Office said that the tornado was spotted near FM 485, 1644, and FM 46.
The fire station in Hamilton was destroyed, as were multiple homes and a retail center.
In Jefferson County, a county worker was killed early Sunday when he was hit by a vehicle while trying to clear a downed tree from the roadway. His name has yet to be released.
The massive storm system that killed several people from Texas to MS is now barreling east, threatening to spawn tornadoes and other catastrophic weather from New England to the Gulf Coast.
"A strip of homes on the other side of town over here are completely gone, just gone, everything is gone", Robertson County Emergency Management Coordinator Billy Huggins told NBC News. University spokesman Sid Salter said some debris, possibly carried by the tornado, was found on campus, but no injuries were reported and no buildings were damaged. Normally, all it could take is a low risk and a few storms could become severe.
A preliminary damage survey showed an EF-3 tornado, with winds up to 140 miles per hour, touched down in Robertson County, the NWS in Fort Worth said. The outlet went on to report that eight of the victims were critically injured. Mobile homes will be damaged or destroyed.
Monroe County Road Manager Sonny Clay said a further 19 people have been injured. We have a lot of flooding.
Roy Ratliff, 95, died after a tree crashed onto his trailer in northeastern Mississippi, Monroe County Road Manager Sonny Clay said at a news conference, adding that a tornado had struck. There are several trees down. Power outages were wide spread throughout the path of the storm, with 35,824 without power in Texas, 16,160 in Louisiana, 24,029 in Missouri, 27,877 in MS, 10,543 in Alabama and 12,170 in Georgia, according to PowerOutage.US.