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Extreme Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
1118 AM CDT Sat Aug 15 2026

LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100-
MSZ068>071-077-083>088-160630-
/O.NEW.KLIX.XH.A.0003.260817T1600Z-260818T0100Z/
/O.CON.KLIX.XH.W.0004.000000T0000Z-260816T0100Z/
/O.CON.KLIX.XH.W.0005.260816T1600Z-260817T0100Z/
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 Clinton, St. Francisville, Folsom,
Gautier, Walker, Hahnville, Convent, Gulfport, Port Allen,
Diamondhead, Covington, Baton Rouge, Cut Off, Pointe A La Hache,
Slidell, Thibodaux, Dexter, Moss Point, Hammond, Greensburg,
Norco, Necaise, Meraux, Addis, Bay St. Louis, Yscloskey, Kiln,
Liberty, Houma, Gillsburg, New Roads, Pierre Part, Prairieville,
Bayou Cane, Bayou Sorrel, Shell Beach, Livingston, Galliano,
Bonnet Carre Spillway, Brusly, Mandeville, St. Martin,
Braithwaite, Metairie, Crossroads, Lyman, Ocean Springs,
Donaldsonville, Killian, Sellers, French Settlement, Saucier, Amite,
Lettsworth, Boutte, Gretna, Tickfaw, Luling, Plaquemine, Bush,
Leeville, Smithdale, Acy, Port Sulphur, Escatawpa, Madisonville, New
Orleans, Long Beach, Golden Meadow, McComb, Marrero, Easleyville,
Chalmette, Larose, Buras, Biloxi, Fort Adams, Pascagoula, Laplace,
Roseland, Barataria, Belle Chasse, Destrehan, Montz, Dolorosa,
Cocodrie, Gramercy, Labadieville, Denham Springs, Chauvin,
Montpelier, Wade, Geismar, White Castle, Lutcher, Gloster, Bogalusa,
Dulac, Delacroix, Waveland, Felps, McNeil, Jean Lafitte, Gonzales,
Alliance, Salem, Lockport, Poplarville, Picayune, Pearlington,
Woodville, Grand Isle, Franklinton, Vancleave, Montegut, Pass
Christian, Enon, Spillman, Paincourtville, Independence, Sorrento,
Robert, Reserve, Akers, Kenner, Ponchatoula, Wilmer, Centreville,
Westwego, Tylertown, Springfield, Darlington, Violet, Wakefield, East
New Orleans, Jackson, Kentwood, Lafitte, Raceland, Whitehall,
Harahan, and Livonia
1118 AM CDT Sat Aug 15 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM CDT SUNDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

* WHAT...For the Extreme Heat Warning in effect today and the Extreme
  Heat Warning tomorrow, expect dangerously hot conditions with heat
  index values up to 115.

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

* WHEN...For the first Extreme Heat Warning, until 8 PM CDT this
  evening. For the second Extreme Heat Warning, from 11 AM to 8 PM
  CDT Sunday. For the Extreme Heat Watch, from Monday morning through
  Monday 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.

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.

&&

$$

Schlotz


Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1245 PM CDT Sat Aug 15 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>167-161800-
/O.CON.KSHV.HT.Y.0010.000000T0000Z-260818T0100Z/
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 Springhill, Atlanta, Big Sandy, Ringgold,
Bradley, Lewisville, Farmerville, Homer, Gilmer, Coushatta, Columbia,
Daingerfield, Nashville, Winnfield, Dry Prong, Bogata, Mount
Pleasant, Natchitoches, Montgomery, De Queen, Henderson, Many,
Winnsboro, Pineland, Pleasant Hill, Olla, Longview, Ruston,
Nacogdoches, Minden, Shreveport, Omaha, San Augustine, Mineral
Springs, Naples, Martin, Monroe, Jefferson, Bossier City, Texarkana,
Stamps, Clarksville, Grayson, Colfax, Zwolle, Jacksonville, Idabel,
Carthage, Prescott, Magnolia, Clarks, Logansport, Mount Vernon,
Midway, Hawkins, Ashdown, Pittsburg, Tyler, Queen City, Hope, Lufkin,
Mansfield, Marshall, Broken Bow, Arcadia, Bernice, Gibsland, El
Dorado, Jonesboro, Dierks, Haynesville, Stonewall, Center, Linden,
Jena, Hughes Springs, Quitman, Mineola, Rusk, Hemphill, and Lone Star
1245 PM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY...

* WHAT...Heat index values up to 110.

* 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 Monday.

* 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.

&&

$$

23

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1125 AM CDT Sat Aug 15 2026

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-160600-
/O.NEW.KMOB.HT.Y.0013.260816T1600Z-260817T0100Z/
/O.CON.KMOB.HT.Y.0012.000000T0000Z-260816T0100Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
Including the cities of Flomaton, Crestview, Butler, Grand Bay, Fort
Morgan, Brantley, Pensacola Beach, Wiggins, Milton, Andalusia, Fort
Walton Beach, Leakesville, Lucedale, Grove Hill, Stockton, Mobile,
Beulah, Beaumont, Foley, Walnut Hill, Greenville, Evergreen, Gulf
Shores, Lisman, Millry, Fairhope, Thomasville, Homewood, Bagdad,
Saraland, Pensacola, Pine Hill, Destin, Century, Gulf Breeze, Eglin
AFB, Chatom, Monroeville, Citronelle, Orange Beach, Seminole, Wright,
Atmore, Richton, Niceville, Theodore, Dauphin Island, Ensley,
Waynesboro, Bayou La Batre, Perdido Bay, Prichard, Navarre, Jay,
Brewton, McLain, Silas, Daphne, Spanish Fort, Valparaiso, New
Augusta, Jackson, Bay Minette, Molino, Opp, Fort Pickens, Luverne,
and Camden
1125 AM CDT Sat Aug 15 2026

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

* WHAT...Heat index values up to 108 to 111 expected.

* WHERE...Portions of south central and southwest Alabama, northwest
  Florida, and southeast 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 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
341 AM CDT Sat Aug 15 2026

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
151900-
/O.CON.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-
Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-Winston-Noxubee-
Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-Warren-Hinds-
Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah-Simpson-Smith-Jasper-
Clarke-Jefferson-Adams-Franklin MS-Lincoln-Lawrence-Jefferson Davis-
Covington-Jones-Marion-Lamar-Forrest-
Including the cities of Magee, Cleveland, West Ferriday, Grenada,
Lake Providence, Scooba, Roxie, Pearl River, Purvis, Bastrop, De
Kalb, Pickens, Bude, Meridian, Stonewall, Raleigh, Starkville, West
Point, Mayersville, Newellton, Port Gibson, Newton, Greenville,
Wesson, Prentiss, Fayette, Macon, Anguilla, Mount Olive, Delhi,
Rayville, Ridgeland, Lumberton, Belzoni, New Hebron, Hattiesburg,
Tchula, Brandon, Lake Village, Winona, Mathiston, Rolling Fork, North
Crossett, Weir, Vidalia, Heidelberg, Canton, West Hattiesburg, Pearl,
Brookhaven, Epps, Carrollton, Ackerman, Richland, Union, Hamburg, Bay
Springs, Oak Grove, Bassfield, Madison, Jonesville, Taylorsville,
Hazlehurst, Columbia, Eudora, Dermott, Shubuta, Greenwood,
Louisville, Meadville, Morton, Waterproof, North Carrollton, Eupora,
West Crossett, Durant, Vaiden, Vicksburg, Crossett, Mendenhall,
Collins, Kosciusko, Harrisonburg, Quitman, Brooksville, Winnsboro,
Yazoo City, Monticello, Conehatta, Ferriday, Forest, Natchez, Crystal
Springs, Goodman, Tallulah, Isola, Carthage,
Jackson, Indianola, Lexington, Philadelphia, Columbus, St.
Joseph, Decatur, Laurel, and Ruleville
341 AM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY...

* WHAT...Heat index values up to 110 degrees.

* WHERE...Portions of central and south Mississippi, southeast
  Arkansas, and northeast Louisiana.

* WHEN...Until 8 PM CDT Monday.

* IMPACTS...High temperatures and high humidity may cause heat
  related illnesses.

* ADDITIONAL DETAILS...Temperatures at night will not bring much
  relief as they struggle to fall below 80 in some cases. The threat
  for dangerous heat will continue into next week.

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.

&&

$$

CR

URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
1249 AM CDT Sat Aug 15 2026

LAZ028-029-032-033-044-045-055-143-152>154-243-252>254-160000-
/O.CON.KLCH.HT.Y.0012.260815T1600Z-260816T0000Z/
Rapides-Avoyelles-Evangeline-St. Landry-Lafayette-Upper St.
Martin-Lower St. Martin-Northern Acadia-Upper Vermilion-Upper
Iberia-Upper St. Mary-Southern Acadia-Lower Vermilion-Lower
Iberia-Lower St. Mary-
Including the cities of Stephensville, Crowley, Beaver, Morgan
City, Cade, Bayou Vista, Intracoastal City, Reddell, Mansura, St.
Landry, Breaux Bridge, Bunkie, Cottonport, Lafayette, Branch,
Lawtell, Iota, Avery Island, Burns Point, Ville Platte, New
Iberia, Forked Island, Mamou, Cypremort Point, Centerville,
Meaux, Abbeville, Effie, Gueydan, Jeanerette, Simmesport,
Maurice, Eunice, Franklin, Rayne, Alexandria, Patterson, St.
Martinville, Church Point, Opelousas, Marksville, Morse,
Pineville, Berwick, and Kaplan
1249 AM CDT Sat Aug 15 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM
CDT THIS EVENING...

* WHAT...Heat index values 108 to 110 expected.

* WHERE...Portions of central, south central, and southwest
  Louisiana.

* WHEN...From 11 AM this morning to 7 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.

&&

$$

MC


Extreme Heat Watch


URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
1118 AM CDT Sat Aug 15 2026

LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100-
MSZ068>071-077-083>088-160630-
/O.NEW.KLIX.XH.A.0003.260817T1600Z-260818T0100Z/
/O.CON.KLIX.XH.W.0004.000000T0000Z-260816T0100Z/
/O.CON.KLIX.XH.W.0005.260816T1600Z-260817T0100Z/
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 Clinton, St. Francisville, Folsom,
Gautier, Walker, Hahnville, Convent, Gulfport, Port Allen,
Diamondhead, Covington, Baton Rouge, Cut Off, Pointe A La Hache,
Slidell, Thibodaux, Dexter, Moss Point, Hammond, Greensburg,
Norco, Necaise, Meraux, Addis, Bay St. Louis, Yscloskey, Kiln,
Liberty, Houma, Gillsburg, New Roads, Pierre Part, Prairieville,
Bayou Cane, Bayou Sorrel, Shell Beach, Livingston, Galliano,
Bonnet Carre Spillway, Brusly, Mandeville, St. Martin,
Braithwaite, Metairie, Crossroads, Lyman, Ocean Springs,
Donaldsonville, Killian, Sellers, French Settlement, Saucier, Amite,
Lettsworth, Boutte, Gretna, Tickfaw, Luling, Plaquemine, Bush,
Leeville, Smithdale, Acy, Port Sulphur, Escatawpa, Madisonville, New
Orleans, Long Beach, Golden Meadow, McComb, Marrero, Easleyville,
Chalmette, Larose, Buras, Biloxi, Fort Adams, Pascagoula, Laplace,
Roseland, Barataria, Belle Chasse, Destrehan, Montz, Dolorosa,
Cocodrie, Gramercy, Labadieville, Denham Springs, Chauvin,
Montpelier, Wade, Geismar, White Castle, Lutcher, Gloster, Bogalusa,
Dulac, Delacroix, Waveland, Felps, McNeil, Jean Lafitte, Gonzales,
Alliance, Salem, Lockport, Poplarville, Picayune, Pearlington,
Woodville, Grand Isle, Franklinton, Vancleave, Montegut, Pass
Christian, Enon, Spillman, Paincourtville, Independence, Sorrento,
Robert, Reserve, Akers, Kenner, Ponchatoula, Wilmer, Centreville,
Westwego, Tylertown, Springfield, Darlington, Violet, Wakefield, East
New Orleans, Jackson, Kentwood, Lafitte, Raceland, Whitehall,
Harahan, and Livonia
1118 AM CDT Sat Aug 15 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM CDT SUNDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

* WHAT...For the Extreme Heat Warning in effect today and the Extreme
  Heat Warning tomorrow, expect dangerously hot conditions with heat
  index values up to 115.

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

* WHEN...For the first Extreme Heat Warning, until 8 PM CDT this
  evening. For the second Extreme Heat Warning, from 11 AM to 8 PM
  CDT Sunday. For the Extreme Heat Watch, from Monday morning through
  Monday 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.

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.

&&

$$

Schlotz

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE