The ongoing heavy rainfall poses significant risks to residents across the affected states. Flash flooding can develop rapidly, making travel dangerous and potentially trapping motorists. Low-lying areas, neighborhoods, and roads are particularly vulnerable, especially in regions with poor drainage. In addition to flash flooding, repeated rainfall may lead to river flooding later in the week. Emergency services have already been deployed in some Texas communities to assist with water rescues. Residents in Louisiana and Mississippi are also at risk, with officials monitoring river levels, including the Mermentau River, which is forecast to reach minor flood stage.