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 Shreveport LA
1232 AM CDT Sat Aug 22 2026
ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-222000-
/O.CON.KSHV.HT.Y.0010.000000T0000Z-260823T0100Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-McCurtain-Red River-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-Sabine-
Including the cities of Big Sandy, Hemphill, San Augustine, Idabel,
Homer, Martin, Jena, Lufkin, Montgomery, Hughes Springs, Lone Star,
Bossier City, Daingerfield, Prescott, Bernice, Logansport, Ashdown,
Ringgold, Quitman, Pineland, Jonesboro, Winnsboro, De Queen,
Coushatta, Mansfield, Stonewall, Nacogdoches, Arcadia, Grayson,
Springhill, Pittsburg, Texarkana, Tyler, Omaha, Henderson, Naples,
Mount Vernon, Natchitoches, Stamps, Mineola, Farmerville,
Haynesville, Monroe, Jefferson, Broken Bow, Dierks, Colfax, Mount
Pleasant, Bogata, Nashville, Center, Olla, Mineral Springs, Gibsland,
Rusk, Columbia, Hawkins, Ruston, Magnolia, Midway, Clarks, Minden,
Bradley, Jacksonville, Clarksville, Zwolle, El Dorado, Many,
Winnfield, Gilmer, Queen City, Hope, Shreveport, Marshall, Carthage,
Longview, Lewisville, Pleasant Hill, Dry Prong, Linden, and Atlanta
1232 AM CDT Sat Aug 22 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 110 degrees.
* WHERE...Portions of south central and southwest Arkansas, north
central and northwest Louisiana, southeast Oklahoma, and east and
northeast Texas.
* WHEN...Until 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.
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.
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.
&&
$$
15
URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
1146 PM CDT Fri Aug 21 2026
LAZ027>033-044-045-055-073-074-141>143-152>154-241>243-252>254-
TXZ180-201-259>262-515-516-615-616-221700-
/O.CON.KLCH.HT.Y.0019.260822T1600Z-260823T0100Z/
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Lafayette-Upper St. Martin-Lower St. Martin-West Cameron-East
Cameron-Northern Calcasieu-Northern Jefferson Davis-Northern
Acadia-Upper Vermilion-Upper Iberia-Upper St. Mary-Southern
Calcasieu-Southern Jefferson Davis-Southern Acadia-Lower
Vermilion-Lower Iberia-Lower St. Mary-Tyler-Hardin-Northern
Jasper-Northern Newton-Southern Jasper-Southern Newton-Upper
Jefferson-Northern Orange-Lower Jefferson-Southern Orange-
Including the cities of Grand Lake, Sea Rim State Park, Oretta, Iota,
Opelousas, New Iberia, Breaux Bridge, Moss Bluff, Fort
Polk, Newton, Woodville, St. Landry, Vinton, Cade, Oakdale,
Fields, Beaver, Jamestown, Port Arthur, Burkeville, Buna, Gueydan,
Avery Island, Effie, Maurice, Simmesport, Silsbee, China, Alexandria,
Forked Island, Creole, Patterson, Franklin, Lake Charles, De Quincy,
Bundick Lake, Nederland, Marksville, Rayne, De Ridder, Intracoastal
City, Crowley, Abbeville,
Stephensville, Lumberton, Johnson Bayou, Mt. Union, Jennings,
Elton, Carlyss, Vidor, Kaplan, Berwick, Burns Point, Cameron, Jasper,
Cypremort Point, Kirbyville, Reddell, Warren,
Centerville, Lawtell, Iowa, Mamou, Call, Morse, Town Bluff, St.
Martinville, Pickering, Lake Arthur, Jeanerette, Ville Platte, Bayou
Vista, Bunkie, Hayes, Mansura, Hackberry, Kinder, Branch, Meaux,
Bridge City, Morgan City, Deweyville, Farrsville, Bell City,
Westlake, Eunice, Slagle, Klondike, Sulphur, Beaumont, Mauriceville,
Leesville, Spurger, Evadale, Hathaway, Sabine Pass, Gist, Holly
Springs, Welsh, Orange, Grand Chenier, Pineville, Rutherford Beach,
Hillister, Roganville, Ivanhoe, Church Point, Bleakwood, Topsy,
Fenton, Cottonport, Fred, Wiergate, Lafayette, and Magnolia Springs
1146 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 111 expected.
* WHERE...Portions of central, south central, southwest, and west
central Louisiana and southeast Texas.
* WHEN...From 11 AM to 8 PM CDT Saturday.
* 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.
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.
Monitor the latest forecasts and warnings for updates.
&&
$$
NRS
URGENT - WEATHER MESSAGE
National Weather Service Houston/Galveston TX
1052 PM CDT Fri Aug 21 2026
TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338-
436>439-221615-
/O.EXT.KHGX.HT.Y.0008.000000T0000Z-260824T0000Z/
Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos-
Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin-
Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson-
Inland Matagorda-Inland Brazoria-Inland Galveston-Southern
Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal
Brazoria-Coastal Galveston-Matagorda Islands-Brazoria Islands-
Galveston Island-Bolivar Peninsula-
Including the cities of Galveston, Columbus, Texas City, El Campo,
First Colony, Mission Bend, Sugar Land, Caldwell, Madisonville,
Conroe, Baytown, Angleton, Huntsville, Edna, Pecan Grove,
Friendswood, Weimar, Pasadena, Dickinson, Brookshire, Alvin,
Freeport, League City, Dayton, Clute, Lake Jackson, Somerville,
Hempstead, Mont Belvieu, Devers, Winnie, College Station, Anahuac,
Groveton, Brenham, Bay City, Bryan, La Marque, Liberty, Houston,
Corrigan, The Woodlands, Cleveland, Coldspring,
Old River-Winfree, Surfside Beach, Trinity, Rosenberg, Prairie
View, Navasota, Sealy, Shepherd, Livingston, Palacios, Stowell, Eagle
Lake, Waller, Missouri City, Ganado, Wharton, Bellville, Crockett,
and Pearland
1052 PM CDT Fri Aug 21 2026
...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT SUNDAY...
* WHAT...Peak heat index values between 106 and 112.
* WHERE...Portions of south central and southeast Texas.
* WHEN...Until 7 PM CDT Sunday.
* 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.
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.
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 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.
&&
$$
