Heat Advisory
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.
&&
$$
NRS
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
829 PM CDT Fri Aug 21 2026
ARZ050-051-059>061-070-071-OKZ077-TXZ096-097-108>112-220930-
/O.CON.KSHV.HT.Y.0010.000000T0000Z-260823T0100Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris-Cass-
Including the cities of Stamps, Idabel, Bradley, De Queen, Broken
Bow, Clarksville, Dierks, Hughes Springs, Mount Pleasant, Lone Star,
Pittsburg, Bogata, Nashville, Texarkana, Daingerfield, Queen City,
Mineral Springs, Hope, Prescott, Omaha, Naples, Mount Vernon,
Lewisville, Linden, Atlanta, and Ashdown
829 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 110 degrees expected Saturday
afternoon.
* WHERE...Portions of southwest Arkansas, southeast Oklahoma, and
northeast Texas.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
15
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
829 PM CDT Fri Aug 21 2026
ARZ072-073-LAZ001>006-010>014-017>022-TXZ124>126-136>138-149>153-
165>167-220930-
/O.CAN.KSHV.XH.W.0004.000000T0000Z-260822T0200Z/
/O.CON.KSHV.HT.Y.0010.260822T0200Z-260823T0100Z/
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-
Rusk-Panola-Nacogdoches-Shelby-Angelina-San Augustine-Sabine-
Including the cities of Ruston, Big Sandy, Quitman, Hemphill,
Pineland, Magnolia, Midway, Mineola, San Augustine, Jonesboro,
Farmerville, Homer, Haynesville, Monroe, Clarks, Winnsboro, Minden,
Jefferson, Jacksonville, Martin, Jena, Lufkin, Zwolle, Coushatta, El
Dorado, Mansfield, Stonewall, Colfax, Nacogdoches, Many, Winnfield,
Arcadia, Montgomery, Springhill, Bossier City, Grayson, Gilmer,
Tyler, Center, Olla, Gibsland, Henderson, Shreveport, Rusk, Bernice,
Columbia, Marshall, Carthage, Longview, Pleasant Hill, Dry Prong,
Logansport, Hawkins, Natchitoches, and Ringgold
829 PM CDT Fri Aug 21 2026
...EXTREME HEAT WARNING IS CANCELLED...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 110 degrees expected Saturday
afternoon.
* WHERE...Portions of south central and southwest Arkansas, north
central and northwest Louisiana, and east and northeast Texas.
* WHEN...Until 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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Little Rock AR
820 PM CDT Fri Aug 21 2026
ARZ052-053-062>069-221200-
/O.EXP.KLZK.HT.Y.0024.000000T0000Z-260822T0100Z/
/O.CON.KLZK.HT.Y.0025.260822T1600Z-260823T0100Z/
Pike-Clark-Dallas-Cleveland-Lincoln-Desha-Ouachita-Calhoun-Bradley-
Drew-
Including the cities of Warren, Star City, McGehee, Thornton, Camden,
Murfreesboro, Fordyce, Monticello, Arkadelphia, Dumas, Rison, Gould,
Hampton, Glenwood, and Kingsland
820 PM CDT Fri Aug 21 2026
...HEAT ADVISORY FOR FRIDAY HAS EXPIRED...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 106 expected.
* WHERE...Bradley, Cleveland, Desha, Drew, Lincoln, Calhoun, Clark,
Dallas, Ouachita, and Pike Counties.
* WHEN...From 11 AM to 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
805 PM CDT Fri Aug 21 2026
LAZ034>037-039-046>048-056>058-064-070-071-076>087-089>100-
MSZ068>071-077-083>088-221700-
/O.EXP.KLIX.XH.W.0008.000000T0000Z-260822T0100Z/
/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 Gautier, Leeville, Waveland, Grand Isle,
Bay St. Louis, Thibodaux, Killian, Springfield, New Roads,
Destrehan, Pearlington, St. Martin, Centreville, Tylertown,
Saucier, Metairie, Lettsworth, Franklinton, Vancleave, Folsom,
Violet, Prairieville, Greensburg, Madisonville, Alliance, Acy,
Escatawpa, Dulac, Biloxi, Ocean Springs, Salem, Larose, Kenner,
Galliano, Chauvin, Plaquemine, Brusly, Norco, Paincourtville, Port
Allen, Pass Christian, Livingston, Slidell, Boutte, Labadieville,
Donaldsonville, Mandeville, Spillman, Delacroix, Raceland, Pointe A
La Hache, Bayou Cane, Barataria, Pascagoula, Ponchatoula, Covington,
Pierre Part, Amite, Shell Beach, Geismar, Livonia, Bonnet Carre
Spillway, Jackson, Akers, Diamondhead, Gillsburg, McNeil,
Independence, Poplarville, Baton Rouge, Cut Off, Easleyville, Dexter,
Gretna, Montpelier, Tickfaw, Braithwaite, Montegut, Convent, Bush,
Gonzales, Bogalusa, McComb,
Darlington, Port Sulphur, St. Francisville, Wilmer, Sellers,
French Settlement, White Castle, Meraux, Walker, Chalmette, Gulfport,
Gramercy, Roseland, Marrero, Lafitte, Kiln, Addis, Kentwood, Luling,
Hammond, Lockport, Golden Meadow, Westwego, Smithdale, Liberty, Long
Beach, Bayou Sorrel, Buras, Clinton, Cocodrie, Dolorosa, Robert,
Enon, Gloster, Moss Point, Fort Adams, Jean Lafitte, Lyman, Necaise,
Harahan, Reserve, New Orleans, Woodville, Wade, Whitehall, Yscloskey,
Belle Chasse, Picayune, Denham Springs, East New Orleans, Felps,
Montz, Crossroads, Lutcher, Laplace, Wakefield, Houma, Sorrento, and
Hahnville
805 PM CDT Fri Aug 21 2026
...EXTREME HEAT WARNING HAS EXPIRED...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 112 degrees expected.
* WHERE...All of southeast Louisiana and southern Mississippi.
* 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.
&&
$$
Frye
URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
705 PM CDT Fri Aug 21 2026
ARZ074-075-MSZ018-019-025-034>036-221100-
/O.CON.KJAN.HT.Y.0023.000000T0000Z-260822T0100Z/
/O.CON.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/
Ashley-Chicot-Bolivar-Sunflower-Leflore-Washington-Humphreys-Holmes-
Including the cities of Lake Village, Durant, Pickens, Ruleville,
Cleveland, North Crossett, Tchula, West Crossett, Hamburg, Goodman,
Greenwood, Indianola, Crossett, Dermott, Greenville, Isola, Eudora,
Lexington, and Belzoni
705 PM CDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY...
* WHAT...Heat index values of up to 110 degrees expected.
* WHERE...In Arkansas, Ashley and Chicot Counties. In Mississippi,
Holmes, Humphreys, Leflore, Bolivar, Sunflower, and Washington
Counties.
* WHEN...For the Heat Advisory today, until 8 PM CDT this evening.
For the second Heat Advisory Saturday, from 11 AM to 8 PM CDT
Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat related
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
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.
&&
$$
Air Quality Alert
ARZ036-MSZ001-TNZ088-222230-
Air Quality Alert Message
Shelby County Health Department
Relayed by National Weather Service Memphis TN
800 PM CDT Fri Aug 21 2026
...CODE ORANGE OZONE FORECAST FOR SATURDAY...
The Shelby County Health Department has issued a Code Orange Ozone
Forecast effective for Shelby County Tennessee, Crittenden County
Arkansas, and DeSoto County Mississippi, including the city of
Memphis for Saturday. This ozone forecast is due to forecasted ozone
values that will be unhealthy for sensitive groups. These values will
exceed the Environmental Protection Agency`s federal safe health
standard. The Shelby County Health Department recommends that
sensitive groups which include active children and adults, and
people with respiratory disease, such as asthma, limit prolonged
outdoor exertion.
Please continue to check the latest air quality forecasts and updates
until monitored values return to safe levels. For more information go
to www.airnow.gov.
$$
