Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
1208 PM CDT Mon Aug 17 2026
LAZ034>037-039-046>048-056-070-071-090-091-093>097-MSZ068>071-077-
181200-
/O.NEW.KLIX.HT.Y.0020.260818T1600Z-260819T0100Z/
/O.CON.KLIX.XH.W.0006.000000T0000Z-260818T0100Z/
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 Pointe A La Hache, Plaquemine, Kentwood,
Pierre Part, Raceland, Addis, New Roads, Salem, Buras, Liberty, Baton
Rouge, Golden Meadow, Montpelier, Shell Beach, Franklinton, McNeil,
Poplarville, Cocodrie, Fort Adams, Centreville, Darlington, Dolorosa,
White Castle, Paincourtville, Dexter, Larose, Greensburg, Yscloskey,
Houma, Leeville, Chauvin, Easleyville, Bayou Sorrel, Gillsburg,
Alliance, Woodville, Enon, Roseland, Wilmer, Lettsworth, Port Allen,
Dulac, Gloster, Port
Sulphur, Braithwaite, St. Francisville, Thibodaux, Cut Off,
Tylertown, Bogalusa, Montegut, Felps, McComb, Bayou Cane, Lockport,
Wakefield, Amite, Galliano, Livonia, Clinton, Jackson, Brusly,
Delacroix, Smithdale, Grand Isle, Crossroads, Labadieville, Picayune,
and Spillman
1208 PM CDT Mon Aug 17 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 115. For the Heat Advisory, heat index
values up to 110 expected.
* WHERE...Portions of southeast Louisiana and southern Mississippi.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening.
For the Heat Advisory, from 11 AM to 8 PM CDT Tuesday.
* 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.
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.
&&
$$
MEFFER
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 Jackson MS
100 PM CDT Mon Aug 17 2026
ARZ074-LAZ007-015-023-024-180200-
/O.NEW.KJAN.HT.Y.0020.260818T1600Z-260819T0100Z/
/O.CON.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
Ashley-Morehouse-Richland-Franklin LA-Catahoula-
Including the cities of Rayville, Harrisonburg, Bastrop, North
Crossett, Hamburg, Crossett, Jonesville, West Crossett, Winnsboro,
and Delhi
100 PM CDT Mon Aug 17 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 110 degrees.
* WHERE...Portions of southeast Arkansas and northeast Louisiana.
* WHEN...Until 8 PM CDT this evening. And again 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.
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.
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.
&&
$$
KP
URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
100 PM CDT Mon Aug 17 2026
ARZ075-LAZ008-009-016-025-026-MSZ018-019-025>066-072>074-180200-
/O.NEW.KJAN.HT.Y.0020.260818T1600Z-260819T0100Z/
/O.CON.KJAN.XH.W.0007.000000T0000Z-260818T0100Z/
Chicot-West Carroll-East Carroll-Madison LA-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 Fayette, Decatur, Morton, Newellton, North
Carrollton, Cleveland, De Kalb, Wesson, Meadville, Bassfield, Vaiden,
Macon, Anguilla, Ferriday, Jackson, Mendenhall, Shubuta, New Hebron,
Purvis, Starkville, Tallulah, Madison, Heidelberg, Crystal Springs,
Lexington, Epps, Stonewall, Weir, Pearl, West Ferriday, Louisville,
Carthage, Monticello, Forest, Brandon, Rolling Fork, Belzoni, Winona,
Canton, Philadelphia, Quitman, Ridgeland, Pearl River, Greenwood,
Ackerman, Hazlehurst, Carrollton, Bude, Lake Providence, Lumberton,
Roxie, Newton, Tchula, Indianola, Conehatta, Greenville, Mount Olive,
Dermott, Goodman, West Hattiesburg, Kosciusko, Columbia, Ruleville,
Isola, Lake Village, Prentiss, Eudora, Richland, Brooksville,
Grenada, Mathiston, Mayersville, Union, Oak Grove, Laurel,
Hattiesburg, Columbus, Magee, Taylorsville, West Point, Pickens,
Durant, Natchez, Raleigh,
Waterproof, Brookhaven, Vicksburg, St. Joseph, Bay Springs, Yazoo
City, Vidalia, Meridian, Collins, Eupora, Port Gibson, and Scooba
100 PM CDT Mon Aug 17 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* 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...For the Extreme Heat Warning, until 8 PM CDT this evening.
For the Heat Advisory, from 11 AM to 8 PM CDT Tuesday.
* 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.
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.
&&
$$
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.
&&
$$
19
URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
Issued by National Weather Service New Orleans LA
1148 AM CDT Mon Aug 17 2026
ALZ051>060-261-262-FLZ201-203-205-MSZ067-075-076-078-079-180100-
/O.NEW.KMOB.HT.Y.0015.260818T1600Z-260819T0100Z/
/O.CON.KMOB.HT.Y.0014.000000T0000Z-260818T0100Z/
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 New Augusta, McLain, Richton, Chatom, Pine
Hill, Opp, Century, Wiggins, Butler, Monroeville, Brantley,
Citronelle, Saraland, Evergreen, Walnut Hill, Leakesville, Stockton,
Silas, Lisman, Andalusia, Jay, Milton, Flomaton, Lucedale, Jackson,
Molino, Grove Hill, Camden, Thomasville, Homewood, Waynesboro,
Beaumont, Luverne, Crestview, Millry, Brewton, Atmore, and Greenville
1148 AM CDT Mon Aug 17 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...For the first Heat Advisory, heat index values up to 112.
For the second Heat Advisory, heat index values up to 112 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 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.
&&
$$
HRL
URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
Issued by National Weather Service New Orleans LA
1148 AM CDT Mon Aug 17 2026
ALZ263>266-FLZ202-204-206-180100-
/O.NEW.KMOB.XH.W.0003.260818T1600Z-260819T0100Z/
/O.CON.KMOB.HT.Y.0014.000000T0000Z-260818T0100Z/
Mobile Central-Baldwin Central-Mobile Coastal-Baldwin Coastal-
Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal-
Including the cities of Niceville, Daphne, Bayou La Batre, Fort
Walton Beach, Fort Pickens, Pensacola, Wright, Eglin AFB, Orange
Beach, Spanish Fort, Bagdad, Gulf Breeze, Mobile, Navarre, Ensley,
Fort Morgan, Foley, Perdido Bay, Fairhope, Grand Bay, Destin, Gulf
Shores, Pensacola Beach, Seminole, Valparaiso, Beulah, Dauphin
Island, Theodore, Prichard, and Bay Minette
1148 AM CDT Mon Aug 17 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...For the Heat Advisory, heat index values up to 112. For the
Extreme Heat Warning, dangerously hot conditions with heat index
values up to 115 expected.
* WHERE...In Alabama, Baldwin Central, Baldwin Coastal, Mobile
Central, and Mobile Coastal Counties. In Florida, Escambia Coastal,
Okaloosa Coastal, and Santa Rosa Coastal Counties.
* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the
Extreme Heat Warning, from 11 AM to 8 PM CDT Tuesday.
* 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.
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.
&&
$$
