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Extreme Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
312 AM CDT Wed Aug 19 2026

ARZ075-LAZ008-009-016-024>026-MSZ018-019-025-034>036-040>043-047-048-
053-059>061-191700-
/O.UPG.KJAN.HT.Y.0020.000000T0000Z-260820T0200Z/
/O.NEW.KJAN.XH.W.0008.260819T1300Z-260820T0200Z/
Chicot-West Carroll-East Carroll-Madison LA-Catahoula-Tensas-
Concordia-Bolivar-Sunflower-Leflore-Washington-Humphreys-Holmes-
Issaquena-Sharkey-Yazoo-Madison MS-Warren-Hinds-Claiborne-Jefferson-
Adams-Franklin MS-
Including the cities of Ruleville, Meadville, Greenville, Goodman,
Bude, Lexington, Greenwood, Cleveland, Lake Village, Oak Grove,
Natchez, Waterproof, Anguilla, Jonesville, Canton,
Jackson, Port Gibson, Newellton, Vicksburg, Eudora, Fayette, St.
Joseph, Isola, Yazoo City, Tchula, Mayersville, Harrisonburg,
Madison, Rolling Fork, West Ferriday, Ferriday, Durant, Epps,
Belzoni, Lake Providence, Indianola, Roxie, Dermott, Tallulah,
Pickens, Ridgeland, and Vidalia
312 AM CDT Wed Aug 19 2026

...EXTREME HEAT WARNING IN EFFECT FROM 8 AM THIS MORNING TO 9 PM CDT
THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 115
  expected.

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

* WHEN...From 8 AM this morning to 9 PM CDT this 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.

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.

Stay cool, stay hydrated, stay informed.

&&

$$


Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
312 AM CDT Wed Aug 19 2026

ARZ074-LAZ007-015-023-MSZ026>033-037>039-044>046-049>052-054>058-
062>066-072>074-191700-
/O.CON.KJAN.HT.Y.0020.000000T0000Z-260820T0200Z/
Ashley-Morehouse-Richland-Franklin LA-Grenada-Carroll-Montgomery-
Webster-Clay-Lowndes-Choctaw-Oktibbeha-Attala-Winston-Noxubee-Leake-
Neshoba-Kemper-Rankin-Scott-Newton-Lauderdale-Copiah-Simpson-Smith-
Jasper-Clarke-Lincoln-Lawrence-Jefferson Davis-Covington-Jones-
Marion-Lamar-Forrest-
Including the cities of Taylorsville, West Point, Morton, New Hebron,
Hattiesburg, Hamburg, Ackerman, North Carrollton, Columbus, Forest,
Mathiston, Hazlehurst, Carthage, Magee, Starkville, Vaiden,
Monticello, Bastrop, Laurel, Eupora, Prentiss, Pearl, Brandon,
Newton, Louisville, Winnsboro, Conehatta, Philadelphia, Scooba, Bay
Springs, Stonewall, Union, Collins, Meridian, Macon, Lumberton, Weir,
Carrollton, Shubuta, Columbia, Rayville, Raleigh, Crossett, Purvis,
Mendenhall, Bassfield, North Crossett, Brookhaven, Delhi, De Kalb,
Wesson, Mount Olive, Decatur, Quitman, West Hattiesburg, West
Crossett, Pearl River, Heidelberg, Richland, Crystal Springs,
Grenada, Kosciusko, Winona, and Brooksville
312 AM CDT Wed Aug 19 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

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

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

* WHEN...Until 9 PM CDT this evening.

* 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.

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.

Monitor the latest forecasts and warnings for updates.

&&

$$

22

URGENT - WEATHER MESSAGE
National Weather Service Tallahassee FL
1245 AM EDT Wed Aug 19 2026

ALZ068-069-200000-
/O.EXA.KTAE.HT.Y.0021.260819T1500Z-260820T0000Z/
Geneva-Houston-
Including the cities of Dothan, Cottonwood, Hacoda, Hartford,
Ganer, Fadette, Geneva Municipal A/P, Geneva, Logan Field
Municipal A/P, and Ashford
1145 PM CDT Tue Aug 18 2026

...HEAT ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY...

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

* WHERE...Geneva and Houston Counties.

* WHEN...From 10 AM to 7 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Tallahassee FL
1245 AM EDT Wed Aug 19 2026

FLZ007>019-027>029-034-108-112-114-115-118-127-128-134-326-426-
GAZ155>161-200000-
/O.CON.KTAE.HT.Y.0021.260819T1500Z-260820T0000Z/
North Walton-Central Walton-Holmes-Washington-Jackson-Inland Bay-
Calhoun-Inland Gulf-Inland Franklin-Gadsden-Leon-Inland Jefferson-
Madison-Inland Wakulla-Inland Taylor-Lafayette-Inland Dixie-South
Walton-Coastal Bay-Coastal Gulf-Coastal Franklin-Coastal
Jefferson-Coastal Wakulla-Coastal Taylor-Coastal Dixie-Northern
Liberty-Southern Liberty-Seminole-Decatur-Grady-Thomas-Brooks-
Lowndes-Lanier-
Including the cities of Jena, Odena, Crystal Lake, Buck Siding,
Yellow Jacket, Central City, Saint Marks, Capps, Pinetta, Saint Joe
Beach, Jonesboro, Moncrief, Old Town, Freeport, Hardin Heights,
Chipley Municipal Airport, Perry, Little Hope, Quincy Airport,
Sweetwater, Cross City Airport, New Hope, Youngstown, Blue Springs,
Beverly, Courthouse, Hanover, Casa Blanco, Barker Store, Richter
Crossroads, Orange Hill, Hanson, Wewahitchka, Cooks Hammock, Scotts
Ferry, Econfina, White City, Pleasant Ridge, Point Washington,
Apalachicola, Lewis, Kern, Southport, De Funiak Spring Airport,
Browntown, Festus, Cabbage Grove, Santa
Rosa Beach, Dalkeith, Capitola, Dills, Grady Co A/P, Nixon,
Killearn Lakes, Madison, Hays Place, Boyd, Creels, Vicksburg,
Bradfordville, Day, Pasco, Wilma, Davis Park, Drifton,
Donaldsonville A/P, Vilas, Leonia, Bucell Junction, Clarksville,
Nankin, Santa Clara, Tilton, Empress, Quitman, Honeyville, Sneads,
Chattahoochee, Grooverville, Callaway, Buckville, Killearn Estates,
Lakeland, Monticello, Riverturn, Twin Pole, Morgan Place, Pine Park,
Simsville, Blountstown, Panama City, Capel, Bennett, Durham, Littman,
Valdosta Regional Airport, Fort Gadsden, Tallahassee, De Funiak
Springs, Hopewell, Argyle,
Thomasville, Medart, Beachton, Poplar Head, Brooks Co A/P,
Marysville, Beacon Hill, Howard Creek, Steinham Store, Howell Place,
West Bainbridge, Sopchoppy, Magnolia Beach, Bay City, Eucheeanna,
Wetumpka, Turquoise Beach, Apalachicola Airport, Seminole State Park,
Malone, Ausmac, Suwannee, Fenholloway, Bainbridge, Valdosta, Frink,
Hilliardville, Cedar Island, Sandestin, Glendale, Fish Creek, Wakulla
Springs, Abe Springs, Bunker, Bonifay, Portland, Lynn, Bethel,
Teeterville, Elpino, Lynn Haven, Cherry Lake, Adams Beach, Cairo,
Lovett, Shired Island, Holmes County Airport, Overstreet, Mayo,
Chipley, Donalsonville, Graceville, Alpine Heights, Alma, Quincy,
Chaires Crossroads, Center Ridge, Athena, Cobb Crossroads, Cross
City, Port Leon, Horseshoe Beach, Carbur, Dekle Beach, Sumatra,
Metcalf, Midway, Port St. Joe, Decatur Co A/P, Dixie, Cluster
Springs, Oak Grove, Buckhorn, Jarrott, High Bluff, Panacea, Marianna,
Fairchild, Dillon, Chaires, Hines, Five Points, and Maclay State
Gardens
1245 AM EDT Wed Aug 19 2026 /1145 PM CDT Tue Aug 18 2026/

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM EDT /10 AM CDT/ THIS
MORNING TO 8 PM EDT /7 PM CDT/ THIS EVENING...

* WHAT...Heat index values up to 112 expected.

* WHERE...Portions of Big Bend and Panhandle Florida and south
  central and southwest Georgia.

* WHEN...From 11 AM EDT /10 AM CDT/ this morning to 8 PM EDT /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.

&&

$$

IG3

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1010 PM CDT Tue Aug 18 2026

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-191100-
/O.CON.KMOB.HT.Y.0016.260819T1600Z-260820T0100Z/
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 Pensacola Beach, Mobile, Thomasville, Walnut
Hill, Andalusia, Seminole, Milton, McLain, Evergreen, Wiggins,
Saraland, Stockton, Wright, Homewood, Pensacola, Citronelle, Bay
Minette, Grand Bay, Brewton, Ensley, Waynesboro, Bayou La Batre,
Lisman, Navarre, Valparaiso, Silas, Jackson, Fort Morgan, Destin,
Brantley, Eglin AFB, Dauphin Island, Crestview, Century, Fort Walton
Beach, Monroeville, Daphne, Chatom, Foley, Beulah, New Augusta,
Molino, Camden, Richton, Butler, Atmore, Grove Hill, Niceville,
Fairhope, Theodore, Opp, Gulf Breeze, Pine Hill, Luverne, Beaumont,
Millry, Bagdad, Lucedale, Jay, Fort Pickens, Spanish Fort, Gulf
Shores, Flomaton, Orange Beach, Prichard, Perdido Bay, Leakesville,
and Greenville
1010 PM CDT Tue Aug 18 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...

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

* WHERE...Portions of south central and southwest Alabama, northwest
  Florida, and southeast Mississippi.

* WHEN...From 11 AM to 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.

&&

$$

JGC

URGENT - WEATHER MESSAGE
National Weather Service Birmingham AL
933 PM CDT Tue Aug 18 2026

ALZ011>013-015-022>025-030>036-039>044-191900-
/O.CON.KBMX.HT.Y.0009.000000T0000Z-260820T0200Z/
Marion-Lamar-Fayette-Walker-Pickens-Tuscaloosa-Jefferson-Shelby-
Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Marengo-Dallas-Autauga-
Lowndes-Elmore-Montgomery-
Including the cities of Alabaster, Demopolis, Clanton, Jasper,
Hayneville, Rockford, Columbiana, Centreville, Prattville,
Livingston, Hoover, Fayette, Eutaw, Linden, Birmingham, Hamilton,
Sulligent, Wetumpka, Fort Deposit, Carrollton, Marion, Tuscaloosa,
Montgomery, Moundville, Pelham, Tallassee, Greensboro, Vernon, and
Selma
933 PM CDT Tue Aug 18 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT WEDNESDAY...

* WHAT...Heat index values up to 105.

* WHERE...Autauga, Bibb, Chilton, Coosa, Dallas, Elmore, Fayette,
  Greene, Hale, Jefferson, Lamar, Lowndes, Marengo, Marion,
  Montgomery, Perry, Pickens, Shelby, Sumter, Tuscaloosa, and Walker
  Counties.

* WHEN...Until 9 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. Young children and
pets should never be left unattended in vehicles under any
circumstances.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stoke. Wear light weight and loose fitting clothing when possible and
drink plenty of water.

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.

&&

$$

44

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
839 PM CDT Tue Aug 18 2026

LAZ034>037-039-046>048-056>058-064-070-071-076>087-090>100-
MSZ068>071-077-083>088-191800-
/O.CON.KLIX.HT.Y.0021.260819T1600Z-260820T0100Z/
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-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 Picayune, Jackson, Salem, Labadieville,
Pierre Part, Sorrento, Prairieville, Laplace, Independence, Bayou
Sorrel, Franklinton, Lockport, Slidell, East New Orleans,
Hammond, Robert, French Settlement, Galliano, St. Martin,
Metairie, Harahan, Clinton, Easleyville, Gautier, Crossroads,
Gramercy, Whitehall, Yscloskey, Madisonville, Smithdale, Roseland,
Livonia, Greensburg, Thibodaux, Diamondhead, Biloxi, Walker, Convent,
Waveland, Long Beach, Darlington, Pass Christian, McComb,
Donaldsonville, Westwego, Boutte, Springfield, Jean Lafitte, White
Castle, Wakefield, Cocodrie, Montegut, Tylertown, Mandeville, Wade,
Pearlington, New Roads, Folsom, Gloster, Denham Springs, Bush, Buras,
Gonzales, Hahnville, Kentwood, Chauvin, Montpelier, Brusly, Houma,
Cut Off, Leeville, Dolorosa, Chalmette, Bogalusa, Bayou Cane, Kiln,
Moss Point,
Escatawpa, Barataria, Covington, St. Francisville, Livingston,
Montz, Addis, Norco, Dulac, Kenner, Braithwaite, Gillsburg, Shell
Beach, Alliance, New Orleans, Sellers, Lyman, Vancleave, Bay St.
Louis, Necaise, Luling, Port Sulphur, Paincourtville, Killian, Pointe
A La Hache, Grand Isle, Golden Meadow, Fort Adams, Meraux,
Lettsworth, Marrero, Amite, Port Allen, Larose, Liberty, McNeil,
Baton Rouge, Ocean Springs, Gulfport, Akers, Plaquemine, Lutcher,
Poplarville, Tickfaw, Gretna, Woodville, Delacroix, Centreville,
Destrehan, Dexter, Saucier, Bonnet Carre Spillway, Pascagoula,
Violet, Spillman, Felps, Enon, Wilmer, Acy, Ponchatoula, Geismar,
Raceland, Lafitte, and Reserve
839 PM CDT Tue Aug 18 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...

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

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

* WHEN...From 11 AM to 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
839 PM CDT Tue Aug 18 2026

LAZ089-191800-
/O.CON.KLIX.HT.Y.0021.260819T1600Z-260820T0100Z/
Upper Plaquemines-
Including the cities of Belle Chasse
839 PM CDT Tue Aug 18 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...

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

* WHERE...Upper Plaquemines Parish.

* WHEN...From 11 AM to 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.

&&

$$


Rip Current Statement


Coastal Hazard Message
National Weather Service Tallahassee FL
437 AM EDT Wed Aug 19 2026

FLZ114-200600-
/O.NEW.KTAE.RP.S.0063.260819T1600Z-260820T0600Z/
Coastal Gulf-
437 AM EDT Wed Aug 19 2026 /337 AM CDT Wed Aug 19 2026/

...HIGH RIP CURRENT RISK IN EFFECT FROM NOON EDT /11 AM CDT/
TODAY THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents expected.

* WHERE...Gulf County Beaches.

* WHEN...From noon EDT /11 AM CDT/ today through late tonight.

* IMPACTS...Rip currents can sweep even the best swimmers away
  from shore into deeper water.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

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