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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
233 AM CDT Sat Aug 22 2026

LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100-
MSZ068>071-077-083>088-222145-
/O.CON.KLIX.HT.Y.0023.260822T1600Z-260823T0100Z/
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 Walker, Salem, Port Allen, Gonzales,
Kentwood, Gretna, Bay St. Louis, Dolorosa, Lutcher, Larose, Baton
Rouge, Woodville, East New Orleans, Centreville, Addis, Long Beach,
Meraux, Amite, Killian, Akers, Leeville, Gulfport, Greensburg,
Reserve, Spillman, Sellers, Whitehall, McComb, Crossroads,
Donaldsonville, Liberty, Marrero, Biloxi, Covington, Dulac, Galliano,
New Orleans, Pascagoula, McNeil, Wakefield,
Violet, Mandeville, Paincourtville, Saucier, Chalmette, St.
Francisville, Bonnet Carre Spillway, Picayune, Labadieville, Convent,
Delacroix, Plaquemine, Montegut, Darlington, Tylertown, Easleyville,
Livonia, Gramercy, Moss Point, Westwego, Prairieville, Enon, Wilmer,
Harahan, Buras, Luling, Diamondhead, Barataria, Vancleave,
Poplarville, Ocean Springs, Brusly, Roseland, Necaise, Bogalusa,
Gloster, Jackson, Shell Beach, Lockport, Livingston, Montz,
Thibodaux, Norco, Robert, Golden
Meadow, Felps, Acy, Houma, Clinton, St. Martin, Gautier, Grand
Isle, Kiln, Gillsburg, Dexter, Jean Lafitte, Springfield,
Braithwaite, Hammond, Bayou Cane, Fort Adams, Montpelier, French
Settlement, Bayou Sorrel, Pierre Part, Port Sulphur, Raceland, Lyman,
Cocodrie, Laplace, Bush, New Roads, Yscloskey, Ponchatoula, Waveland,
Escatawpa, Boutte, Alliance, Pass Christian, Geismar, Franklinton,
Independence, Folsom, Slidell, Tickfaw, Kenner, Sorrento, Lettsworth,
Metairie, Denham Springs, Cut Off, Belle Chasse, Chauvin, Lafitte,
Wade, Hahnville, Pearlington, Madisonville, Destrehan, Smithdale,
White Castle, and Pointe A La Hache
233 AM CDT Sat Aug 22 2026

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

* WHAT...Heat index values up to 112 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
705 PM CDT Fri Aug 21 2026

LAZ007>009-015-016-023>026-MSZ040>043-047>049-053>055-059>064-072-
221100-
/O.CON.KJAN.XH.W.0009.000000T0000Z-260822T0100Z/
/O.CON.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/
Morehouse-West Carroll-East Carroll-Richland-Madison LA-Franklin
LA-Catahoula-Tensas-Concordia-Issaquena-Sharkey-Yazoo-Madison MS-
Warren-Hinds-Rankin-Claiborne-Copiah-Simpson-Jefferson-Adams-
Franklin MS-Lincoln-Lawrence-Jefferson Davis-Marion-
Including the cities of Rayville, Madison, Jonesville, Natchez,
Vicksburg, Mayersville, St. Joseph, Tallulah, Pearl, Anguilla,
Crystal Springs, Columbia, Prentiss, Jackson, Canton, Oak Grove,
Harrisonburg, Waterproof, Fayette, Magee, Epps, West Ferriday,
Bastrop, New Hebron, Bude, Meadville, Brookhaven, Winnsboro,
Hazlehurst, Bassfield, Monticello, Lake Providence, Roxie, Rolling
Fork, Newellton, Delhi, Richland, Yazoo City, Mendenhall, Ferriday,
Wesson, Brandon, Ridgeland, Port Gibson, and Vidalia
705 PM CDT Fri Aug 21 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
  with heat index values up to 115 degrees. For the Heat Advisory,
  heat index values up to 110 degrees expected.

* WHERE...Portions of northeast Louisiana and central, south central,
  southwest, and west central Mississippi.

* WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening.
  For the Heat Advisory, from 11 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat related
  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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE