840 WWUS74 KLIX 291733 NPWLIX URGENT - WEATHER MESSAGE National Weather Service New Orleans LA Issued by National Weather Service Mobile AL 1233 PM CDT Wed Jul 29 2026 LAZ057-058-064-070-076>087-089-098>100-MSZ086>088-300145- /O.NEW.KLIX.HT.Y.0016.260730T1600Z-260731T0000Z/ /O.CON.KLIX.XH.W.0003.000000T0000Z-260730T0100Z/ St. James-St. John The Baptist-Upper St. Bernard-Lower St. Bernard-Southeast St. Tammany-Western Orleans-Eastern Orleans- Northern St. Tammany-Southwestern St. Tammany-Central Tangipahoa- Lower Tangipahoa-Northern Livingston-Southern Livingston-Western Ascension-Eastern Ascension-Upper Jefferson-Upper Plaquemines- Upper St. Charles-Central St. Charles-Lower St. Charles-Southern Hancock-Southern Harrison-Southern Jackson- Including the cities of Ocean Springs, Akers, East New Orleans, Walker, Donaldsonville, Laplace, Violet, Ponchatoula, Bonnet Carre Spillway, Acy, Covington, Moss Point, Delacroix, Luling, Lutcher, Yscloskey, Pascagoula, Shell Beach, Convent, Bush, Hammond, Gulfport, Destrehan, Slidell, Mandeville, Meraux, Kiln, Springfield, Reserve, Whitehall, Norco, Hahnville, Pass Christian, Waveland, Gautier, Folsom, Prairieville, Gretna, Geismar, Kenner, Bay St. Louis, Denham Springs, Madisonville, Marrero, Belle Chasse, Gramercy, Killian, Sorrento, Tickfaw, Livingston, Montz, French Settlement, Independence, Harahan, Pearlington, Metairie, Chalmette, Gonzales, Westwego, Long Beach, Biloxi, St. Martin, Robert, New Orleans, Boutte, and Diamondhead 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. && $$ LAZ034>037-039-046>048-056-071-090>097-MSZ068>071-077-083>085-300145- /O.NEW.KLIX.HT.Y.0016.260730T1600Z-260731T0000Z/ /O.CON.KLIX.HT.Y.0015.000000T0000Z-260730T0100Z/ Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington- Iberville-West Baton Rouge-East Baton Rouge-Assumption-Northern Tangipahoa-Central Plaquemines-Lower Plaquemines-Central Jefferson-Coastal Jefferson-Upper Lafourche-Lower Lafourche-Upper Terrebonne-Lower Terrebonne-Wilkinson-Amite-Pike-Walthall-Pearl River-Northern Hancock-Northern Harrison-Northern Jackson- Including the cities of Roseland, New Roads, Spillman, Bayou Sorrel, Larose, Picayune, Jackson, Labadieville, Pointe A La Hache, Barataria, Houma, Paincourtville, Buras, Gloster, Alliance, Galliano, Smithdale, Braithwaite, Poplarville, Baton Rouge, Easleyville, Necaise, Gillsburg, McNeil, Saucier, Dulac, Wilmer, Lyman, Clinton, Amite, Leeville, Dolorosa, Fort Adams, Woodville, Jean Lafitte, Plaquemine, Bogalusa, Cocodrie, Escatawpa, Felps, Wakefield, Cut Off, Livonia, Crossroads, Enon, Darlington, Kentwood, Greensburg, Pierre Part, Sellers, Brusly, Thibodaux, Centreville, Grand Isle, Liberty, Dexter, Wade, Lettsworth, Port Sulphur, Port Allen, Vancleave, Lafitte, St. Francisville, Franklinton, Golden Meadow, Lockport, Bayou Cane, Addis, Chauvin, White Castle, Raceland, Montegut, Salem, Montpelier, McComb, and Tylertown 1233 PM CDT Wed Jul 29 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 110. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 7 PM CDT Thursday. * IMPACTS...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. 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. && $$ KLG