- July 1, 2026
- Updated 12:31 am
Millions Under Flood Alerts in Texas, Louisiana, and Mississippi
Millions across Texas, Louisiana, and Mississippi are under flood alerts as heavy rains threaten the Gulf Coast and Lower Mississippi Valley. Forecasters predict several inches of rain in a few hours, risking flash flooding, overwhelming drainage systems, and prompting water rescues.
Areas with Active Flood Alerts
Texas Faces Highest Rainfall Totals
Texas is central to the flooding risk with flash flood warnings in southern parts. Flood watches span south, southeast, and south-central Texas through Thursday. Some areas have received 4 to 6 inches of rain, with 4 to 10 inches more expected. In some places, rainfall could exceed 12 inches with storm repeat patterns. Rates may reach 2 to 5 inches per hour in strong storms.
Louisiana Braces for Heavy Rain
Louisiana faces flood watches, with threats lasting through Thursday or Friday. Potential rounds of thunderstorms may dump 3 to 6 inches of rain, or more locally. Officials monitor rivers, like the Mermentau, projected to hit minor flood stages.
Mississippi Also at Risk
Mississippi’s flood watches last through Thursday. Repeated thunderstorms could drop 3 to 5 inches of rain quickly. Local totals may be higher.
Reasons Behind the Flood Threat
Several factors combine for dangerous conditions: saturated ground, repeated storms, and high rainfall rates. Expect rainfall rates of 2 to 4 inches per hour in stronger storms, with 4 to 6 inches widespread through Thursday. Some, especially on the Texas Gulf Coast, might receive higher amounts in repeated storm paths, risking flash flooding.
Potential Consequences
The National Weather Service warns of excessive runoff flooding roads, neighborhoods, rivers, and low areas, particularly with poor drainage. Flash flooding can develop fast, posing travel risks and potentially trapping drivers. Continuous rains may also risk river floods later in the week. Some Texas areas are already dealing with stranded vehicles and water rescues.
Guidance for Residents
The National Weather Service advises not to attempt crossing flooded roads with the “Turn Around, Don’t Drown” message. Additional recommendations include:
- Stay informed about weather updates and local alerts.
- Avoid travel during heavy rain.
- Move to higher ground if flooding starts.
- Keep emergency supplies ready.
Duration of the Threat
The flood threat remains through Thursday, with gradual changes but no full improvement for most areas.
Texas continues to face heavy rain through Thursday, particularly along the Gulf Coast, likely causing flash floods.
Louisiana remains high-risk until Thursday or Friday, with rain rounds keeping the soil saturated and flash or river floods probable.
Mississippi continues to endure flood threats by Thursday, especially central and southern regions. Conditions may improve later, but new heavy rain could quickly worsen existing floods.
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