Gretna, La. – Thunderstorms and sweltering summer heat will converge on Gretna and the New Orleans area this Saturday, July 26th, creating hazardous travel and flooding risks along the I-10 corridor. Residents and visitors should expect downpours, frequent lightning, and dangerous heat as a potent storm system arrives during the late morning and early afternoon.
According to the National Weather Service, showers and thunderstorms will increase Saturday, with an 80% chance of rain and high temperatures near 90°F. Gusty winds, brief street flooding, and isolated power outages are possible—especially in low-lying neighborhoods and busy stretches of I-10 and US-90. The heaviest storms are most likely after 1 p.m. Drivers should avoid flooded roads, check real-time traffic updates, and secure outdoor items before storms hit.
Saturday night will see storms taper off, but humidity and warm air linger. By Sunday, partly cloudy skies will bring a slight drop in rain chances, but high humidity and temps near 91°F will keep conditions uncomfortable.
Heading into next week, New Orleans and Gretna residents can expect more heat, sporadic storms, and sultry overnight lows. Monday brings a brief break with mostly sunny skies and a high near 94°F, but another round of showers is possible Tuesday and Wednesday. Now is the time to check your storm supplies, stay weather-aware, and plan outdoor activities for early in the day.
Five-Day Forecast for Gretna, La.
- Saturday, July 26: Thunderstorms, high 90°F. Storms likely after 1 p.m. Heavy rain and localized flooding possible.
- Sunday, July 27: Partly cloudy, 91°F. Chance of afternoon thunderstorms, especially late.
- Monday, July 28: Mostly sunny, 94°F. Slight chance of afternoon thunderstorms.
- Tuesday, July 29: Scattered storms, 95°F. Storms likely in the afternoon and evening.
- Wednesday, July 30: Showers and thunderstorms, 93°F. Humid, with rain mainly after noon.
Warnings and updates remain in effect. Stay tuned for the latest advisories through Wednesday, July 30th.
