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Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Issued
—
Expires
8:00 PM CDT · jeu., août 20 2026
Issuing Office
NWS KLIX

Affected Areas

Pointe Coupee, LA West Feliciana, LA East Feliciana, LA St. Helena, LA Washington, LA Iberville, LA West Baton Rouge, LA East Baton Rouge, LA Assumption, LA St. James, LA St. John The Baptist, LA Upper St. Bernard, LA Lower St. Bernard, LA Northern Tangipahoa, LA Southeast St. Tammany, LA Western Orleans, LA Eastern Orleans, LA Northern St. Tammany, LA Southwestern St. Tammany, LA Central Tangipahoa, LA Lower Tangipahoa, LA Northern Livingston, LA Southern Livingston, LA Western Ascension, LA Eastern Ascension, LA Upper Jefferson, LA Upper Plaquemines, LA Central Plaquemines, LA Lower Plaquemines, LA Central Jefferson, LA Coastal Jefferson, LA Upper Lafourche, LA Lower Lafourche, LA Upper Terrebonne, LA Lower Terrebonne, LA Upper St. Charles, LA Central St. Charles, LA Lower St. Charles, LA Wilkinson, MS Amite, MS Pike, MS Walthall, MS Pearl River, MS Northern Hancock, MS Northern Harrison, MS Northern Jackson, MS Southern Hancock, MS Southern Harrison, MS Southern Jackson, MS

Official Bulletin

705
WWUS74 KLIX 200827
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
327 AM CDT Thu Aug 20 2026

LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100-
MSZ068>071-077-083>088-202230-
/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 Delacroix, Walker, Lettsworth, Meraux,
Crossroads, Shell Beach, Jean Lafitte, Boutte, Mandeville,
Braithwaite, Picayune, Diamondhead, Waveland, Greensburg, Hahnville,
French Settlement, Port Allen, Robert, Brusly, Wakefield, Lutcher,
Laplace, Gonzales, Dolorosa, Chalmette, Hammond, Pascagoula, Violet,
Easleyville, Cut Off, Convent, Donaldsonville, Westwego, Vancleave,
Labadieville, Fort Adams, Folsom, Cocodrie, Paincourtville, Bayou
Sorrel, Tickfaw, Norco, Livingston, Prairieville, Escatawpa, Dexter,
Long Beach, Independence, Saucier, Centreville, New Orleans,
Galliano, Alliance, Thibodaux, Grand Isle, Bonnet Carre Spillway,
Amite, Sellers, Felps, Enon, Biloxi, Wilmer, Addis, McComb, Wade,
Kiln, Pearlington, Raceland, Smithdale, Clinton, Leeville, White
Castle, Kentwood, Harahan, Bayou Cane, Montegut, Lafitte, Montz, Moss
Point, Gretna, Reserve, Madisonville, Dulac, Spillman, Gloster,
Poplarville, Livonia, Ponchatoula, Sorrento, Larose, Houma, Gulfport,
Destrehan, Covington, Bush, Liberty, Akers, Plaquemine, Gautier,
Metairie, Port Sulphur, Belle Chasse, Montpelier, Denham Springs,
Yscloskey, Acy, Franklinton, Salem, Slidell, Whitehall, Tylertown,
Necaise, Killian, Lyman, Pass Christian, McNeil, Golden Meadow,
Gramercy, Pierre Part, East New Orleans, Chauvin, Roseland, Geismar,
Luling, Springfield, Kenner,
Pointe A La Hache, New Roads, Gillsburg, Bay St. Louis, St.
Martin, Ocean Springs, Baton Rouge, Marrero, Lockport, Barataria,
Woodville, Buras, Bogalusa, Darlington, Jackson, and St.
Francisville
327 AM CDT Thu Aug 20 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
CDT THIS EVENING...

* WHAT...Heat index values up to 111 expected

* WHERE...All of southeast Louisiana and southern Mississippi.

* WHEN...From 11 AM this morning to 8 PM CDT this evening.

* 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.

&&

$$