Gretna, La. – Blistering heat and a rising storm threat will collide in Gretna Thursday, July 24th, bringing sweltering temps and dangerous midday travel conditions.
According to the National Weather Service in New Orleans, an Extreme Heat Warning remains in effect from 10 a.m. to 7 p.m. CDT Wednesday, but Thursday follows with heat index values topping 109°F before storms roll in by late afternoon. Expect high humidity and a forecasted high near 96°F Thursday. Winds may shift from the south at 5–10 mph before an increased thunderstorm chance emerges after 1 p.m., peaking around 3–4 p.m..
Localized flooding, lightning, and travel delays on I-10 and U.S. 90 are possible during peak storm hours. Residents are urged to limit outdoor activity, check on vulnerable neighbors, and never leave children or pets in vehicles.
Friday brings similar risks, with more storms expected after 1 p.m., and highs near 87°F. Evening storms may linger past 7 p.m., potentially impacting weekend travel and outdoor plans.
🔍 Five-Day Weather Outlook: Gretna, LA
- Thursday, July 24 – High 96°F, heat index 109°F, 30% storm chance after 1 p.m.
- Friday, July 25 – High 87°F, 60% chance of thunderstorms from afternoon into night
- Saturday, July 26 – High 90°F, 80% chance of rain and thunderstorms, breezy
- Sunday, July 27 – High 94°F, mostly sunny, calm winds, hot and dry
- Monday, July 28 – High 90°F, afternoon storm chance returns
Stay weather-aware and hydrated—summer weather conditions remain unstable through early next week. Further watches may be issued by Sunday.
