New Orleans, La. – Thunderstorms will push into southeast Louisiana by Thursday, September 25, raising concerns for flooding and slowed travel on I-10. Temperatures near 90° through midweek will break as storms move in, bringing heavy downpours and potential lightning hazards. Residents should plan for slower commutes, power interruptions, and the possibility of localized street flooding.
According to the National Weather Service in New Orleans, showers and thunderstorms become likely after 1 p.m. Thursday, with an 80 percent chance of rain. The strongest activity may arrive during the afternoon commute, prompting officials to advise drivers to allow extra travel time. Gusty winds and ponding on low-lying roads remain possible through Thursday night.
Wednesday provides the first sign of change, with a 40 percent chance of scattered thunderstorms in the afternoon and evening. By Thursday, rain coverage expands, and temperatures ease back into the mid-80s. Friday sees improvement, though lingering showers may still affect morning plans before clearing gives way to drier air.
Air travelers should check flight statuses at Louis Armstrong New Orleans International Airport, where delays may occur during periods of heavy rain. Utility crews are preparing for potential outages if storms down branches onto power lines. Residents are encouraged to charge devices, secure outdoor items, and avoid unnecessary road travel during peak storm hours.
The first weekend of fall brings cooler mornings, with lows dipping into the low 70s. Sunshine returns by Saturday, keeping highs in the upper 80s, a notable break after consecutive 90° days.
Five Day Forecast for New Orleans, La.:
- Tuesday: Sunny, high near 90.
- Wednesday: Scattered storms after 1 p.m., high near 90.
- Thursday: Thunderstorms likely, high near 85.
- Friday: Morning showers possible, high near 85.
- Saturday: Sunny, high near 87.