Flash Flood Warning Issued for Southeast Louisiana and Southern Mississippi Through Early Sunday

Alert Details

The National Weather Service in New Orleans LA has issued a Flash Flood Warning for portions of southeastern Louisiana and southern Mississippi. The alert was issued at 9:35 PM CST on Saturday, March 7, and remains in effect until 12:45 AM CST on Sunday, March 8.

Affected Areas

The warning covers the following geographic regions:

• Southeastern Louisiana: Northeastern Tangipahoa Parish and Western Washington Parish.
• Southern Mississippi: Pike County and Walthall County.

Specific locations expected to experience flash flooding include Franklinton and Mount Herman.

What You Should Do

Residents in the warned area are advised to take the following precautions:

• Turn around, don’t drown: Do not attempt to drive through flooded roads. Most flood-related deaths occur in vehicles.
• Exercise caution at night: It is significantly harder to recognize the dangers of flooding in the dark.
• Stay aware: Monitor your surroundings and avoid low-lying areas or underpasses.

Expected Conditions

At 9:35 PM CST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. According to the National Weather Service, between 1 and 3 inches of rain have already fallen. Additional rainfall amounts of 2 to 3 inches are possible.

The primary hazards include flash flooding of:

• Small creeks and streams
• Urban areas
• Highways, streets, and underpasses
• Poor drainage and low-lying areas

Timeline

The Flash Flood Warning is effective immediately as of 9:35 PM CST, March 7, 2026. The warning is scheduled to expire at 12:45 AM CST on March 8, 2026.