Louisiana braces for more heavy rainfall as millions are under flash flood watches across the South

StormsLouisiana braces for more heavy rainfall as millions are under flash flood watches across the SouthThe remnants of Tropical Storm Arthur are continuing to bring life-threatening effects to the Southeast.Listen to this article with a free account00:0000:00Raymond Neal and his grandson Lincoln Corbett, 2, wade through tidal flooding Wednesday in Galveston, Texas. Stuart Villanueva / The Galveston County Daily News via APShareAdd NBC News to GoogleJune 19, 2026, 12:28 PM EDTBy Mirna Alsharif and Kathryn ProcivLouisiana is bracing for more heavy rainfall that could lead to damaging flash flooding across the state.Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.Around 10 million people across Texas, Louisiana, Alabama, Mississippi, Georgia and the Florida Panhandle are under flash flood watches Friday. The remnants of Tropical Storm Arthur are continuing to bring heavy rainfall and life-threatening flash flooding to the Southeast, including Louisiana and Mississippi. Earlier this week, Louisiana residents reported downed trees, heavy rain and strong winds. NBC News teams on the ground saw knee-deep floodwaters, flipped-over train cars and destruction to buildings. Arthur is expected to emerge over the Atlantic Ocean on Friday afternoon and has a 10% chance of regaining strength the next few days. Even if that happens, it will be moving away from the coast with no additional impacts expected.On Friday, slow-moving storms will be capable of producing 2 to 3 inches of rainfall per hour, which will likely result in additional flash flooding. Cities under a moderate risk for flooding include Hattiesburg and Biloxi in Mississippi and Mobile and Dothan in Alabama, where additional rainfall totals through Saturday may reach 4 to 6 inches.In Louisiana, the state record for a 24-hour rainfall is 22 inches. Preliminary rainfall totals predicted so far include 29 inches in Cottonport, 22 inches in Plaucheville and 17 inches i...