663
WWUS74 KLIX 271616
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
Issued by National Weather Service Mobile AL
1116 AM CDT Mon Jul 27 2026

LAZ057-058-064-070-076>087-089-090-092-098>100-MSZ086>088-280030-
/O.UPG.KLIX.XH.A.0001.260728T1600Z-260729T0100Z/
/O.NEW.KLIX.XH.W.0002.260728T1600Z-260729T0100Z/
/O.CON.KLIX.HT.Y.0013.000000T0000Z-260728T0100Z/
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-
Central Plaquemines-Central Jefferson-Upper St. Charles-Central
St. Charles-Lower St. Charles-Southern Hancock-Southern Harrison-
Southern Jackson-
Including the cities of Waveland, Tickfaw, Independence, Jean
Lafitte, Moss Point, Lafitte, Gramercy, Gautier, Robert, Westwego,
Whitehall, Montz, Pascagoula, Alliance, Prairieville,
Springfield, Sorrento, Bonnet Carre Spillway, St. Martin,
Convent, Laplace, Gulfport, Akers, Denham Springs, Marrero,
Yscloskey, Gonzales, Covington, Walker, Biloxi, Reserve, Shell Beach,
Ponchatoula, Kiln, Long Beach, Madisonville, Norco, Braithwaite, Pass
Christian, Destrehan, Donaldsonville, Ocean Springs, French
Settlement, Pearlington, Mandeville, Belle Chasse, Chalmette, Gretna,
Lutcher, Harahan, Luling, East New Orleans, Killian, Violet,
Diamondhead, Livingston, Bush, Boutte, Hahnville, Kenner, Hammond,
Metairie, Barataria, New Orleans,
Acy, Bay St. Louis, Meraux, Folsom, Slidell, Geismar, and
Delacroix
1116 AM CDT Mon Jul 27 2026

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

* WHAT...For the Heat Advisory, heat index values up to 108. For the
  Extreme Heat Warning, dangerously hot conditions with heat index
  values up to 113 to 115 expected.

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

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

* 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.

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>048-056-071-091-093>097-MSZ068>071-077-083>085-
280030-
/O.CON.KLIX.HT.Y.0013.000000T0000Z-260728T0100Z/
/O.CON.KLIX.HT.Y.0014.260728T1600Z-260729T0100Z/
Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington-
Iberville-West Baton Rouge-East Baton Rouge-Assumption-Northern
Tangipahoa-Lower Plaquemines-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 Necaise, Pierre Part, Bayou Cane, Tylertown,
Port Allen, Grand Isle, McNeil, Darlington, Bayou Sorrel, Roseland,
Gillsburg, Leeville, Port Sulphur, White Castle, Saucier,
Centreville, Gloster, Poplarville, Easleyville, Baton Rouge,
Raceland, Livonia, Montpelier, Buras, Dolorosa, Greensburg, Lyman,
Montegut, Lockport, Plaquemine, Liberty, Amite, Felps, Golden Meadow,
Paincourtville, Larose, Picayune, Kentwood, Smithdale, Lettsworth,
Wakefield, Pointe A La Hache, Cut Off, Jackson, New Roads,
Labadieville, Galliano, Fort Adams, Vancleave, McComb, Dulac,
Bogalusa, Salem, Franklinton, Chauvin, Escatawpa, Cocodrie, Spillman,
Woodville, Clinton, Addis,
Thibodaux, Houma, Crossroads, Wade, Wilmer, Enon, Dexter, St.
Francisville, Brusly, and Sellers
1116 AM CDT Mon Jul 27 2026

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

* WHAT...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 8 PM CDT Tuesday.

* 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.

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.

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.

&&

$$