Last Updated: January 2, 2026
Louisiana's waterways are currently experiencing a range of streamflow conditions, with many rivers reporting significantly lower flows compared to their seasonal averages. For instance, the Pearl River near Bogalusa and the Bogue Chitto River near Bush are flowing at only around 12% and 16% of their normal levels, indicating potential flow droughts that could affect ecosystems and water supply for activities. Conversely, the Vermilion River at Perry saw a substantial 24-hour increase in streamflow by 35.88%, which could hint at localized rainfall or upstream releases.
Notably, the Mississippi River at Baton Rouge, a critical waterway for transport and industry, is flowing at a reduced capacity, operating at just over a third of its typical streamflow. This may have implications for shipping and recreational activities on the river. Similarly, the Lower Atchafalaya River at Morgan City and the Wax Lake Outlet at Calumet are also reporting decreases in streamflow, which could affect the Atchafalaya Basin, a popular spot for fishing and boating. In the Bayou Lafourche, changes in streamflow reflect an interesting dichotomy, with the section southwest of Donaldsonville running low, while the flow at Thibodaux has increased, offering diverse conditions for river enthusiasts. Adventure seekers should also note that whitewater trails will likely be affected by these fluctuations, particularly where streamflow reductions are pronounced. Riverfront communities and cities along these waterways, including Baton Rouge, Morgan City, Thibodaux, and Bogalusa, should stay informed about these changing conditions, as they may impact water-related activities and local water resource management. Keep an eye on gage heights as well, such as the heightened levels observed at the Amite River near Denham Springs, which may indicate potential for flooding if trends continue.
Louisiana is a state in the southern United States with a humid subtropical climate. The state has many major surface water flows, including the Mississippi River, the Atchafalaya River, the Red River, the Ouachita River, and the Sabine River. These rivers and their tributaries are subject to flooding during the state's frequent severe weather events, such as hurricanes and tropical storms. Louisiana also has numerous reservoirs and dams used for flood control and hydroelectric power generation. The state's hydrology is influenced by its flat terrain and extensive wetlands, which act as natural reservoirs. Snowpack is generally not a significant factor in Louisiana's hydrology, but heavy rainfall events can lead to flash flooding and river flooding.