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881 WWUS74 KLIX 221721NPWLIXURGENT - WEATHER MESSAGENational Weather Service New Orleans LA1221 PM CDT Tue Jul 22 2025LAZ046-056>060-064-065-076>078-080-082-084>090-MSZ085>088-230130-/O.UPG.KLIX.XH.A.0001.250723T1500Z-250724T0000Z//O.NEW.KLIX.XH.W.0001.250723T1500Z-250724T0000Z//O.CON.KLIX.HT.Y.0011.000000T0000Z-250723T0000Z/Iberville-Assumption-St. James-St. John The Baptist-UpperLafourche-St. Charles-Upper St. Bernard-Upper Terrebonne-Southeast St. Tammany-Western Orleans-Eastern Orleans-Southwestern St. Tammany-Lower Tangipahoa-Southern Livingston-Western Ascension-Eastern Ascension-Upper Jefferson-LowerJefferson-Upper Plaquemines-Central Plaquemines-Northern Jackson-Southern Hancock-Southern Harrison-Southern Jackson-Including the cities of Lutcher, Lafitte, Pascagoula, BelleChasse, Whitehall, Madisonville, Kiln, Meraux, Escatawpa,Plaquemine, Norco, Sorrento, Pierre Part, Acy, Akers, Raceland,St. Martin, Ponchatoula, Jean Lafitte, Prairieville, New Orleans,Destrehan, Waveland, Marrero, Long Beach, French Settlement,Biloxi, Convent, Gonzales, Kenner, Pass Christian, Braithwaite,Chalmette, Paincourtville, Gretna, White Castle, Thibodaux,Barataria, Diamondhead, Gautier, Bayou Sorrel, Laplace, BayouCane, Killian, Vancleave, Moss Point, Metairie, Slidell, Violet,Donaldsonville, Mandeville, Harahan, Alliance, Ocean Springs,Reserve, East New Orleans, Springfield, Westwego, Pearlington,Gramercy, Wade, Houma, Bay St. Louis, Geismar, Labadieville,Gulfport, and Larose1221 PM CDT Tue Jul 22 2025...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING......EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY...* WHAT...For the Heat Advisory, heat index values up to 109. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 109 expected.* WHERE...Portions of southeast Louisiana and southern Mississippi.* WHEN...For the Heat Advisory, until 7 PM CDT this evening. For the Extreme Heat Warning, from 10 AM to 7 PM CDT Wednesday.* 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>037-039-047-048-071-079-081-083-MSZ068>071-077-083-084-230130-/O.CON.KLIX.HT.Y.0011.000000T0000Z-250723T0000Z//O.CON.KLIX.XH.A.0001.250723T1500Z-250724T0000Z/Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington-West Baton Rouge-East Baton Rouge-Northern Tangipahoa-NorthernSt. Tammany-Central Tangipahoa-Northern Livingston-Wilkinson-Amite-Pike-Walthall-Pearl River-Northern Hancock-NorthernHarrison-Including the cities of Bush, Robert, Tickfaw, Montpelier,Franklinton, Baton Rouge, Hammond, Dolorosa, Greensburg,Easleyville, Roseland, Smithdale, Fort Adams, Gloster, Felps,Tylertown, Wilmer, Lettsworth, Centreville, Liberty, McNeil,Wakefield, Livonia, St. Francisville, Jackson, Brusly, Spillman,Independence, Gillsburg, Salem, Poplarville, Clinton, Walker,Picayune, Saucier, Bogalusa, Necaise, Sellers, Port Allen,Crossroads, Denham Springs, Covington, Dexter, Amite, Kentwood,Woodville, New Roads, McComb, Lyman, Livingston, Enon,Darlington, Folsom, and Addis1221 PM CDT Tue Jul 22 2025...HEAT ADVISORY REMAINS IN EFFECT UNTIL 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. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 111 possible.* WHERE...Portions of southeast Louisiana and southern Mississippi.* WHEN...For the Heat Advisory, until 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.&&$$LAZ066>070-230130-/O.CON.KLIX.XH.A.0001.250723T1500Z-250724T0000Z/Lower Terrebonne-Lower Lafourche-Coastal Jefferson Parish-LowerPlaquemines-Lower St. Bernard-Including the cities of Buras, Yscloskey, Chauvin, Myrtle Grove,Leeville, Delacroix, Pointe A La Hache, Boothville, Dulac,Cocodrie, Cut Off, Port Sulphur, Montegut, Venice, Galliano,Golden Meadow, Shell Beach, Empire, and Grand Isle1221 PM 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 107 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.&&$$CAB