Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
838 PM CDT Mon Aug 17 2026
LAZ034>037-039-046>048-056-070-071-090-091-093>097-MSZ068>071-077-
181800-
/O.CON.KLIX.HT.Y.0020.260818T1600Z-260819T0100Z/
Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington-
Iberville-West Baton Rouge-East Baton Rouge-Assumption-Lower St.
Bernard-Northern Tangipahoa-Central Plaquemines-Lower Plaquemines-
Coastal Jefferson-Upper Lafourche-Lower Lafourche-Upper
Terrebonne-Lower Terrebonne-Wilkinson-Amite-Pike-Walthall-Pearl
River-
Including the cities of Pierre Part, McNeil, Dulac, Fort Adams, New
Roads, Shell Beach, Larose, Livonia, Pointe A La Hache, Wilmer,
Tylertown, Felps, Lockport, Golden Meadow, Port Allen, Thibodaux,
Buras, Picayune, Kentwood, Brusly, Lettsworth, Amite,
Dolorosa, St. Francisville, Gloster, Alliance, Smithdale, Addis,
Labadieville, Leeville, Paincourtville, Jackson, Spillman,
Easleyville, Chauvin, Woodville, Greensburg, Cocodrie, Centreville,
Liberty, Dexter, Plaquemine, Wakefield, Montpelier, Bogalusa,
Roseland, Clinton, Yscloskey, Grand Isle, Raceland, Bayou Cane, Baton
Rouge, Montegut, Crossroads, Braithwaite, Franklinton, Bayou Sorrel,
Port Sulphur, Salem, Poplarville, McComb, Houma, Enon, Galliano,
White Castle, Cut Off, Gillsburg, Darlington, and Delacroix
838 PM CDT Mon Aug 17 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
* WHAT...Heat index values up to 111 expected.
* WHERE...Portions of southeast Louisiana and southern Mississippi.
* WHEN...From 11 AM to 8 PM CDT 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
1033 PM CDT Mon Aug 17 2026
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
181415-
/O.CON.KJAN.HT.Y.0020.260818T1600Z-260819T0100Z/
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 Conehatta, Belzoni, Greenville, Goodman,
Ferriday, Vicksburg, Jackson, Hattiesburg, Brooksville, Yazoo City,
Laurel, Hamburg, New Hebron, Ridgeland, Collins, Ruleville, West
Hattiesburg, Vidalia, Madison, Eudora, Anguilla, Bastrop, Lake
Village, Prentiss, Natchez, Lumberton, Columbus, Weir, Columbia,
Stonewall, Newellton, Crystal Springs, Meridian, Meadville, Purvis,
Ackerman, Mendenhall, Carthage, Union, Rayville, West Point, Fayette,
Philadelphia, Canton, Wesson, Tchula, Newton, Tallulah, Winnsboro,
North Carrollton, Greenwood, Vaiden, Brandon, Jonesville,
Harrisonburg, Kosciusko, Cleveland, Hazlehurst, Bay Springs, Magee,
Lake Providence, Forest, De Kalb, Richland, Bassfield, Brookhaven,
Isola, Mathiston, Lexington, Decatur, Roxie, Taylorsville, Epps, West
Ferriday, Grenada, Pickens, Rolling Fork, Indianola, Waterproof,
Starkville,
Heidelberg, Carrollton, Pearl River, St. Joseph, Mount Olive,
Shubuta, Port Gibson, Delhi, Louisville, Crossett, Winona, Morton,
Oak Grove, Monticello, Quitman, North Crossett, Eupora, Durant,
Dermott, Mayersville, Pearl, Macon, Scooba, Bude, Raleigh, and West
Crossett
1033 PM CDT Mon Aug 17 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
* WHAT...Dangerously hot conditions with heat index values in excess
of 110 degrees and peaking around 115 degrees.
* WHERE...Portions of west, central, north and south Mississippi,
southeast Arkansas, and northeast Louisiana.
* WHEN...From 11 AM to 8 PM CDT Tuesday.
* 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.
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.
Monitor the latest forecasts and warnings for updates.
&&
$$
CR
URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
851 PM CDT Mon Aug 17 2026
ALZ051>060-261-262-FLZ201-203-205-MSZ067-075-076-078-079-181200-
/O.CON.KMOB.HT.Y.0015.260818T1600Z-260819T0100Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Escambia Inland-
Santa Rosa Inland-Okaloosa Inland-Wayne-Perry-Greene-Stone-George-
Including the cities of Brewton, Pine Hill, Millry, Milton, New
Augusta, Silas, Butler, Wiggins, Grove Hill, Andalusia, Greenville,
Lisman, Citronelle, Richton, Chatom, Stockton, Century, Walnut Hill,
Luverne, Jackson, Flomaton, Atmore, Brantley, Lucedale, Saraland,
Molino, Crestview, Homewood, Monroeville, Thomasville, Opp, Beaumont,
Leakesville, Camden, Waynesboro, Evergreen, McLain, and Jay
851 PM CDT Mon Aug 17 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
* WHAT...Heat index values up to 112 expected.
* WHERE...Portions of south central and southwest Alabama, northwest
Florida, and southeast Mississippi.
* WHEN...From 11 AM to 8 PM CDT 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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
202 PM CDT Mon Aug 17 2026
LAZ028-029-032-033-044-045-055-143-152>154-243-252>254-181715-
/O.NEW.KLCH.HT.Y.0015.260818T1700Z-260819T0100Z/
/O.CON.KLCH.HT.Y.0014.000000T0000Z-260818T0100Z/
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 Branch, Jeanerette, New Iberia, Bayou
Vista, Marksville, Effie, Stephensville, Simmesport, Church
Point, Patterson, Cade, Intracoastal City, Crowley, Bunkie,
Reddell, Morgan City, Cypremort Point, Meaux, Avery Island,
Lafayette, Ville Platte, Beaver, Eunice, Alexandria, Kaplan,
Centerville, Rayne, Mansura, Morse, Pineville, Berwick,
Cottonport, Forked Island, Abbeville, Iota, Breaux Bridge,
Gueydan, Lawtell, Franklin, Opelousas, St. Landry, Maurice, Burns
Point, St. Martinville, and Mamou
202 PM CDT Mon Aug 17 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT TUESDAY...
* WHAT...For the first Heat Advisory, heat index values up to 111.
For the second Heat Advisory, heat index values up to 110 expected.
* WHERE...Portions of central, south central, and southwest
Louisiana.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
For the second Heat Advisory, from noon to 8 PM CDT 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.
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 Shreveport LA
1158 AM CDT Mon Aug 17 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>167-181200-
/O.EXT.KSHV.HT.Y.0010.000000T0000Z-260820T0100Z/
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 Shreveport, Jacksonville, Bogata,
Clarksville, Tyler, De Queen, Mineola, Lewisville, Texarkana, Hughes
Springs, Stonewall, Bossier City, Clarks, Ringgold, Broken Bow,
Martin, Springhill, Omaha, Pineland, Montgomery, Bradley, Mount
Vernon, Rusk, Bernice, Minden, Naples, Hope, Henderson, Gibsland,
Mineral Springs, Monroe, Quitman, Jefferson, Carthage, Jena, Midway,
Olla, Mansfield, Columbia, Hemphill, Arcadia, Winnfield, Hawkins,
Lufkin, El Dorado, Zwolle, Colfax, Marshall, San Augustine,
Farmerville, Queen City, Magnolia, Coushatta, Ruston, Winnsboro,
Logansport, Nashville, Big Sandy, Dierks, Atlanta, Homer,
Haynesville, Nacogdoches, Gilmer, Stamps, Natchitoches, Daingerfield,
Pittsburg, Longview, Jonesboro, Linden, Ashdown, Grayson, Mount
Pleasant, Center, Many, Dry Prong, Idabel, Pleasant Hill, Prescott,
and Lone Star
1158 AM CDT Mon Aug 17 2026
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT WEDNESDAY...
* WHAT...Heat index values up to 109.
* 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 Wednesday.
* 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.
&&
$$
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