Heat Advisory
Status
Event Continued Active alertStart Time
Thu 08/20/2026 12:00 PM EDTEnd Time
Thu 08/20/2026 09:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Baton Rouge, LA ∙ New Orleans, LA ∙ Gulfport, MS ∙ Kenner, LA ∙ Killona, LA ∙ Mount Hermon, LA ∙ Pigeon, LA ∙ Plattenville, LA ∙ Gretna, LA ∙ Smithdale, MSFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service New Orleans LA 952 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT THURSDAY... * WHAT...Heat index values up to 111 degrees expected. * WHERE...All of southeast Louisiana and southern Mississippi. * WHEN...From 11 AM to 8 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.
Technical Header
LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100- MSZ068>071-077-083>088-201800- /O.CON.KLIX.HT.Y.0022.260820T1600Z-260821T0100Z/ Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington- Iberville-West Baton Rouge-East Baton Rouge-Assumption-St. James- St. John The Baptist-Upper St. Bernard-Lower St. Bernard-Northern Tangipahoa-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- Central Plaquemines-Lower Plaquemines-Central Jefferson-Coastal Jefferson-Upper Lafourche-Lower Lafourche-Upper Terrebonne-Lower Terrebonne-Upper St. Charles-Central St. Charles-Lower St. Charles-Wilkinson-Amite-Pike-Walthall-Pearl River-Northern Hancock-Northern Harrison-Northern Jackson-Southern Hancock- Southern Harrison-Southern Jackson- Including the cities of Long Beach, Lafitte, Meraux, Braithwaite, Alliance, Saucier, Jean Lafitte, Lockport, Woodville, Pearlington, Dulac, Springfield, New Orleans, Plaquemine, Darlington, Belle Chasse, Boutte, Fort Adams, Easleyville, Tickfaw, Grand Isle, Kentwood, Buras, Bonnet Carre Spillway, Dolorosa, Laplace, Dexter, Tylertown, Enon, Bayou Sorrel, Diamondhead, Luling, Sorrento, Montpelier, Galliano, Addis, Wilmer, Pointe A La Hache, Mandeville, French Settlement, Prairieville, Shell Beach, Gulfport, Centreville, Chauvin, Greensburg, Whitehall, Larose, Golden Meadow, Moss Point, Marrero, Gillsburg, Franklinton, Folsom, Wade, New Roads, Killian, White Castle, Pass Christian, Raceland, Destrehan, Necaise, Harahan, McComb, Port Allen, Norco, Bay St. Louis, Convent, Poplarville, Slidell, Wakefield, Gramercy, Hahnville, Walker, Yscloskey, Sellers, Port Sulphur, Thibodaux, Westwego, Bayou Cane, Amite, McNeil, Donaldsonville, Cut Off, Spillman, Baton Rouge, Liberty, Roseland, Bush, Jackson, Gretna, Covington, Picayune, Kiln, Biloxi, Pascagoula, Bogalusa, Hammond, Ponchatoula, Smithdale, Crossroads, Barataria, Montegut, Vancleave, St. Martin, Gloster, Lutcher, Kenner, Madisonville, Reserve, Livonia, Metairie, Lettsworth, Cocodrie, Salem, Escatawpa, Houma, Montz, East New Orleans, Robert, Gautier, Labadieville, Brusly, Livingston, Waveland, Akers, Independence, Leeville, Pierre Part, Gonzales, Felps, Clinton, Violet, Denham Springs, Chalmette, Paincourtville, Geismar, St. Francisville, Acy, Lyman, Ocean Springs, and Delacroix 952 PM CDT Wed Aug 19 2026
