Heat Advisory

Locations Affected

New Orleans, LA ∙ Gulfport, MS ∙ Kenner, LA ∙ Bush, LA ∙ D'Iberville, MS ∙ Gramercy, LA ∙ Husser, LA ∙ Harahan, LA ∙ Pascagoula, MS ∙ Independence, LA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service New Orleans LA Issued by National Weather Service Mobile AL 1233 PM CDT Wed Jul 29 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 to 115. For the Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 7 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

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