851  
WWUS74 KMEG 161517  
NPWMEG  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MEMPHIS TN  
1017 AM CDT SUN AUG 16 2026  
 
ARZ026>028-035-036-048-049-058-MSZ001>003-007-008-010>016-020>024-  
TNZ048-049-088-089-170615-  
/O.EXT.KMEG.XH.W.0004.000000T0000Z-260818T0100Z/  
CRAIGHEAD-POINSETT-MISSISSIPPI-CROSS-CRITTENDEN-ST. FRANCIS-LEE  
AR-PHILLIPS-DESOTO-MARSHALL-BENTON MS-TUNICA-TATE-COAHOMA-QUITMAN-  
PANOLA-LAFAYETTE-UNION-PONTOTOC-LEE MS-TALLAHATCHIE-YALOBUSHA-  
CALHOUN-CHICKASAW-MONROE-LAUDERDALE-TIPTON-SHELBY-FAYETTE-  
INCLUDING THE CITIES OF HARRISBURG, FORREST CITY, HOLLY SPRINGS,  
SOMERVILLE, AMORY, OKOLONA, GERMANTOWN, COVINGTON, COFFEEVILLE,  
SENATOBIA, CHARLESTON, OXFORD, WATER VALLEY, HELENA-WEST HELENA,  
ASHLAND, MEMPHIS, RIPLEY TN, BARTLETT, NEW ALBANY, MARKS, MARIANNA,  
OAKLAND, BLYTHEVILLE, CALHOUN CITY, HOUSTON, WYNNE, WEST MEMPHIS,  
BATESVILLE, SOUTHAVEN, JONESBORO, TUPELO, ABERDEEN, PONTOTOC,  
CLARKSDALE, MILLINGTON, OLIVE BRANCH, BRUCE, COLLIERVILLE, AND TUNICA  
1017 AM CDT SUN AUG 16 2026  
   
..EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM CDT MONDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 110.  
 
* WHERE...PORTIONS OF EAST ARKANSAS, NORTH MISSISSIPPI, AND WEST  
TENNESSEE.  
 
* WHEN...UNTIL 8 PM CDT MONDAY.  
 
* 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.  
 

 
 

 
 
ARZ009-018-MOZ113-115-170615-  
/O.NEW.KMEG.HT.Y.0019.260817T0100Z-260818T0100Z/  
/O.CON.KMEG.XH.W.0004.000000T0000Z-260817T0100Z/  
CLAY-GREENE-DUNKLIN-PEMISCOT-  
INCLUDING THE CITIES OF CORNING, CARUTHERSVILLE, PIGGOTT, KENNETT,  
AND PARAGOULD  
1017 AM CDT SUN AUG 16 2026  
 
...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM CDT  
MONDAY...  
...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 113. FOR THE HEAT ADVISORY, HEAT INDEX  
VALUES UP TO 108 EXPECTED.  
 
* WHERE...DUNKLIN, CLAY, GREENE, AND PEMISCOT.  
 
* WHEN...FOR THE EXTREME HEAT WARNING, UNTIL 8 PM CDT THIS EVENING.  
FOR THE HEAT ADVISORY, FROM 8 PM THIS EVENING TO 8 PM CDT MONDAY.  
 
* 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.  
 

 
 

 
 
MSZ004>006-009-017-TNZ001>004-019>022-050>055-090>092-170615-  
/O.NEW.KMEG.HT.Y.0019.260817T0100Z-260818T0100Z/  
/O.CON.KMEG.XH.W.0004.000000T0000Z-260817T0100Z/  
TIPPAH-ALCORN-TISHOMINGO-PRENTISS-ITAWAMBA-LAKE-OBION-WEAKLEY-HENRY-  
DYER-GIBSON-CARROLL-BENTON TN-HAYWOOD-CROCKETT-MADISON-CHESTER-  
HENDERSON-DECATUR-HARDEMAN-MCNAIRY-HARDIN-  
INCLUDING THE CITIES OF SELMER, BOLIVAR, SAVANNAH, DYERSBURG,  
LEXINGTON, MILAN, BROWNSVILLE, FULTON, RIPLEY MS, CORINTH, PARSONS,  
HUNTINGDON, DECATURVILLE, TIPTONVILLE, CAMDEN, IUKA, PARIS, UNION  
CITY, MARTIN, HUMBOLDT, DRESDEN, ALAMO, BOONEVILLE, HENDERSON, AND  
JACKSON  
1017 AM CDT SUN AUG 16 2026  
 
...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM CDT  
MONDAY...  
...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 112. FOR THE HEAT ADVISORY, HEAT INDEX  
VALUES UP TO 110 EXPECTED.  
 
* WHERE...PORTIONS OF NORTH MISSISSIPPI AND WEST TENNESSEE.  
 
* WHEN...FOR THE EXTREME HEAT WARNING, UNTIL 8 PM CDT THIS EVENING.  
FOR THE HEAT ADVISORY, FROM 8 PM THIS EVENING TO 8 PM CDT MONDAY.  
 
* 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.  
 

 
 

 
 
PWB  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab MS Page
The Nexlab AR Page Main Text Page