Extreme Heat Watch
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
403 AM CDT Tue Jul 22 2025
LAZ034>037-039-046>048-056>060-064-065-071-076>090-MSZ068>071-077-
083>088-221715-
/O.CON.KLIX.HT.Y.0011.250722T1500Z-250723T0000Z/
/O.CON.KLIX.XH.A.0001.250723T1500Z-250724T0000Z/
Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington-
Iberville-West Baton Rouge-East Baton Rouge-Assumption-St. James-
St. John The Baptist-Upper Lafourche-St. Charles-Upper St.
Bernard-Upper Terrebonne-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-Lower Jefferson-Upper Plaquemines-
Central Plaquemines-Wilkinson-Amite-Pike-Walthall-Pearl River-
Northern Hancock-Northern Harrison-Northern Jackson-Southern
Hancock-Southern Harrison-Southern Jackson-
Including the cities of New Roads, Paincourtville, Greensburg,
Springfield, Plaquemine, Kenner, Geismar, Laplace, Spillman,
Covington, Enon, Pass Christian, Meraux, Alliance, Braithwaite,
Wade, McComb, Hammond, Fort Adams, Belle Chasse, Lutcher,
Easleyville, Pascagoula, Franklinton, Gloster, Amite, Lettsworth,
Bayou Cane, Dexter, Darlington, Chalmette, White Castle,
Livingston, Centreville, McNeil, Robert, Lyman, Lafitte, Jackson,
East New Orleans, Poplarville, Bush, Convent, St. Francisville,
Bay St. Louis, Salem, Vancleave, Port Allen, Akers, Barataria,
Gillsburg, Kentwood, Walker, New Orleans, Acy, Gonzales, Gautier,
Wakefield, Ponchatoula, Metairie, Raceland, Smithdale, Liberty,
Felps, Pierre Part, Labadieville, Gramercy, Denham Springs,
Brusly, Tickfaw, Biloxi, Folsom, Norco, Kiln, Reserve, Westwego,
Thibodaux, Montpelier, Necaise, Clinton, Wilmer, Dolorosa,
Independence, Tylertown, Crossroads, Marrero, Slidell, Harahan,
Sellers, Whitehall, Ocean Springs, Saucier, French Settlement,
Diamondhead, Bayou Sorrel, Gulfport, Addis, Long Beach, Moss
Point, Violet, Gretna, St. Martin, Sorrento, Waveland, Destrehan,
Bogalusa, Madisonville, Baton Rouge, Houma, Roseland, Larose,
Mandeville, Donaldsonville, Picayune, Escatawpa, Jean Lafitte,
Killian, Pearlington, Woodville, Livonia, and Prairieville
403 AM CDT Tue Jul 22 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM
CDT THIS EVENING...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY 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 10 AM this morning to 7 PM CDT
this evening. For the Extreme Heat Watch, from Wednesday morning
through Wednesday 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.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
403 AM CDT Tue Jul 22 2025
LAZ066>070-221715-
/O.CON.KLIX.XH.A.0001.250723T1500Z-250724T0000Z/
Lower Terrebonne-Lower Lafourche-Coastal Jefferson Parish-Lower
Plaquemines-Lower St. Bernard-
Including the cities of Boothville, Golden Meadow, Chauvin,
Pointe A La Hache, Montegut, Venice, Shell Beach, Empire,
Cocodrie, Myrtle Grove, Grand Isle, Galliano, Buras, Delacroix,
Dulac, Leeville, Yscloskey, Port Sulphur, and Cut Off
403 AM CDT Tue Jul 22 2025
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY EVENING...
* WHAT...Dangerously hot conditions with heat index values up to 115
possible.
* WHERE...Coastal Jefferson Parish, Lower Lafourche, Lower
Plaquemines, Lower St. Bernard, and Lower Terrebonne Parishes.
* WHEN...From Wednesday morning through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
TE
