Non-Precipitation Warnings / Watches / Advisories
Issued by NWS New Orleans/Baton Rouge, LA

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WWUS74 KLIX 270927
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
427 AM CDT Mon Jul 27 2026

LAZ034>037-039-046>048-056-071-091-093>097-MSZ068>071-077-083>085-
272330-
/O.CON.KLIX.HT.Y.0013.260727T1600Z-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 Lettsworth, Port Allen, Baton Rouge,
Wakefield, Clinton, Enon, Dulac, Livonia, Brusly, Plaquemine, Wilmer,
Liberty, Lyman, Wade, Franklinton, Addis, Woodville, Picayune,
Chauvin, Felps, Buras, Amite, Thibodaux, Smithdale, Crossroads,
Paincourtville, Easleyville, Lockport, Dexter, Bayou Sorrel,
Raceland, Larose, Leeville, Galliano, Port Sulphur, Vancleave, Houma,
Tylertown, Spillman, Gillsburg, McComb, Salem, McNeil, Cocodrie,
Jackson, Greensburg, Montegut, New Roads, Kentwood, Darlington,
Sellers, Pointe A La Hache, Cut Off, Golden Meadow, Necaise,
Bogalusa, Escatawpa, Roseland, Fort Adams, White Castle, Grand Isle,
Centreville, Pierre Part, Poplarville,
Saucier, St. Francisville, Labadieville, Bayou Cane, Montpelier,
Dolorosa, and Gloster
427 AM CDT Mon Jul 27 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 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...From 11 AM through 8 PM today and again 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.

&&

$$

LAZ057-058-064-070-076>087-089-090-092-098>100-MSZ086>088-272330-
/O.CON.KLIX.HT.Y.0013.260727T1600Z-260728T0100Z/
/O.CON.KLIX.XH.A.0001.260728T1600Z-260729T0100Z/
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, Alliance, Whitehall, Bay St.
Louis, Diamondhead, East New Orleans, Pearlington, Westwego, Ocean
Springs, Akers, Lafitte, Walker, Slidell, Meraux, Robert, Luling,
Hammond, Pascagoula, Livingston, Montz, Convent, Belle Chasse,
Sorrento, Reserve, French Settlement, Hahnville, Kiln,
Pass Christian, Geismar, Moss Point, Covington, Yscloskey, St.
Martin, Acy, Metairie, Madisonville, Destrehan, Shell Beach, Laplace,
Lutcher, New Orleans, Gautier, Mandeville, Denham Springs,
Donaldsonville, Gretna, Springfield, Boutte, Bush, Long Beach,
Gonzales, Gramercy, Chalmette, Ponchatoula, Independence, Kenner,
Norco, Jean Lafitte, Marrero, Gulfport, Tickfaw, Violet,
Prairieville, Delacroix, Folsom, Killian, Bonnet Carre Spillway,
Biloxi, Barataria, Harahan, and Braithwaite
427 AM CDT Mon Jul 27 2026

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

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

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

* WHEN...For the Heat Advisory, from 11 AM this morning to 8 PM CDT
  this evening. For the Extreme Heat Watch, from Tuesday morning
  through Tuesday evening.

* 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.

&&

$$