039   
FPUS54 KJAN 180823  
ZFPJAN  
  
ZONE FORECAST PRODUCT FOR CENTRAL MISSISSIPPI, NORTHEAST LOUISIANA,  
AND SOUTHEAST ARKANSAS  
NATIONAL WEATHER SERVICE JACKSON MS  
321 AM CDT TUE AUG 18 2026  
  
MSZ048-181600-  
HINDS-  
INCLUDING THE CITY OF JACKSON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 112.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 110 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 114.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER  
70S. SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY  
IN THE EVENING.    
THURSDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 114.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ049-181600-  
RANKIN-  
INCLUDING THE CITIES OF PEARL, BRANDON, AND RICHLAND  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 107 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
MID 70S. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S.   
  
  
  
MSZ052-181600-  
LAUDERDALE-  
INCLUDING THE CITY OF MERIDIAN  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN CLEARING. A CHANCE OF SHOWERS  
AND THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE UPPER 90S. WEST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING NORTHWEST  
WITH GUSTS UP TO 20 MPH THIS AFTERNOON. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 109.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT. CHANCE OF RAIN  
50 PERCENT.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.  
CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT AND FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 90S.  
CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.   
  
  
  
MSZ043-181600-  
MADISON MS-  
INCLUDING THE CITIES OF RIDGELAND, MADISON, AND CANTON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 111.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
107 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP  
TO 105.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ074-181600-  
FORREST-  
INCLUDING THE CITY OF HATTIESBURG  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
THIS AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. HUMID WITH LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. WEST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO  
110.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS  
LIKELY IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. HUMID  
WITH LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF  
RAIN 60 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ066-181600-  
JONES-  
INCLUDING THE CITY OF LAUREL  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
THIS AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS 5 TO  
10 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. SHOWERS AND THUNDERSTORMS LIKELY IN  
THE AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 70 PERCENT. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
50 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ034-181600-  
WASHINGTON-  
INCLUDING THE CITY OF GREENVILLE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND 100. WEST  
WINDS 5 TO 10 MPH, BECOMING NORTHWEST THIS AFTERNOON. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX  
VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 102. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.  
HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
THURSDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE MID 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ031-181600-  
LOWNDES-  
INCLUDING THE CITY OF COLUMBUS  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
SUNNY EARLY THIS MORNING, THEN BECOMING MOSTLY SUNNY. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HUMID  
WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE WINDS, BECOMING  
NORTHWEST AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX  
VALUES UP TO 108.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 70S. EAST WINDS AROUND 5 MPH IN THE  
EVENING, BECOMING LIGHT AND VARIABLE.    
WEDNESDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOCALLY HEAVY RAINFALL POSSIBLE IN  
THE EVENING. LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.  
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 106 EARLY IN  
THE EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HUMID WITH HIGHS IN THE MID 90S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES  
UP TO 108.    
THURSDAY NIGHT AND FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 90S.  
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ047-181600-  
WARREN-  
INCLUDING THE CITY OF VICKSBURG  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 112.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 113.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105 EARLY IN  
THE EVENING.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ033-181600-  
OKTIBBEHA-  
INCLUDING THE CITY OF STARKVILLE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY, THEN BECOMING SUNNY THIS MORNING, THEN  
BECOMING MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S.  
LIGHT AND VARIABLE WINDS, BECOMING NORTHWEST AROUND 5 MPH. CHANCE  
OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. HUMID WITH LOWS IN THE MID 70S. NORTHWEST WINDS AROUND  
5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH, BECOMING NORTHWEST IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HUMID WITH HIGHS IN THE MID 90S. WEST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
108.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 70S. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ018-181600-  
BOLIVAR-  
INCLUDING THE CITY OF CLEVELAND  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE UPPER 90S. NORTHEAST  
WINDS AROUND 5 MPH, BECOMING NORTHWEST THIS AFTERNOON. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 111.    
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. EAST WINDS AROUND  
5 MPH, BECOMING SOUTH AFTER MIDNIGHT. HEAT INDEX VALUES UP TO  
109 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 102. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 110.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ073-181600-  
LAMAR-  
INCLUDING THE CITIES OF WEST HATTIESBURG, LUMBERTON, AND PURVIS  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
THIS AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH,  
BECOMING SOUTHWEST AFTER MIDNIGHT. CHANCE OF RAIN 50 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ025-181600-  
LEFLORE-  
INCLUDING THE CITY OF GREENWOOD  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A CHANCE OF THUNDERSTORMS WITH A SLIGHT  
CHANCE OF SHOWERS THIS AFTERNOON. HOT WITH HIGHS AROUND 100.  
NORTHEAST WINDS AROUND 5 MPH, BECOMING NORTHWEST. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. EAST WINDS AROUND  
5 MPH, BECOMING SOUTH AFTER MIDNIGHT. HEAT INDEX VALUES UP TO  
108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 102. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.  
HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY AND SATURDAY NIGHT  
CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ019-181600-  
SUNFLOWER-  
INCLUDING THE CITIES OF INDIANOLA AND RULEVILLE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A CHANCE OF THUNDERSTORMS WITH A SLIGHT  
CHANCE OF SHOWERS THIS AFTERNOON. HOT WITH HIGHS AROUND 100.  
NORTHEAST WINDS AROUND 5 MPH, BECOMING NORTHWEST. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 111.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. EAST WINDS  
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT. HEAT INDEX VALUES UP  
TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 102. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.  
HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY AND SATURDAY NIGHT  
CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ060-181600-  
ADAMS-  
INCLUDING THE CITY OF NATCHEZ  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 112.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT AND FRIDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ062-181600-  
LINCOLN-  
INCLUDING THE CITY OF BROOKHAVEN  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES  
UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES  
UP TO 105 EARLY IN THE EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 40 PERCENT.  
HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
LAZ007-181600-  
MOREHOUSE-  
INCLUDING THE CITY OF BASTROP  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE UPPER 70S. LIGHT AND VARIABLE WINDS, BECOMING SOUTH AROUND  
5 MPH AFTER MIDNIGHT. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND  
100. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ054-181600-  
COPIAH-  
INCLUDING THE CITIES OF CRYSTAL SPRINGS, HAZLEHURST, AND WESSON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 111.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS IN THE MID 70S.  
SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX  
VALUES UP TO 107 EARLY IN THE EVENING.    
THURSDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110 EARLY IN THE  
EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ045-181600-  
NESHOBA-  
INCLUDING THE CITIES OF PHILADELPHIA AND PEARL RIVER  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN BECOMING SUNNY. A CHANCE OF  
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND  
100. WEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST THIS AFTERNOON.  
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 109.    
TONIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING  
SOUTHWEST AFTER MIDNIGHT. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
40 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. CHANCE OF  
RAIN 40 PERCENT.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.   
  
  
  
MSZ050-181600-  
SCOTT-  
INCLUDING THE CITIES OF FOREST AND MORTON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 108.    
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
30 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 40 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE UPPER 90S.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.   
  
  
  
MSZ042-181600-  
YAZOO-  
INCLUDING THE CITY OF YAZOO CITY  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 111.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 110.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ055-181600-  
SIMPSON-  
INCLUDING THE CITIES OF MAGEE AND MENDENHALL  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 107 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HOT WITH HIGHS AROUND 101. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 40 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ072-181600-  
MARION-  
INCLUDING THE CITY OF COLUMBIA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
THIS AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 111.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
106 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HOT WITH HIGHS AROUND 101. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
50 PERCENT.    
THURSDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
ARZ074-181600-  
ASHLEY-  
INCLUDING THE CITIES OF CROSSETT, NORTH CROSSETT, HAMBURG,   
AND WEST CROSSETT  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. LIGHT AND  
VARIABLE WINDS, BECOMING WEST AROUND 5 MPH. HEAT INDEX VALUES UP  
TO 109.    
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.  
HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.    
THURSDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND  
100. LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ026-181600-  
GRENADA-  
INCLUDING THE CITY OF GRENADA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN BECOMING SUNNY. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE  
UPPER 90S. LIGHT AND VARIABLE WINDS, BECOMING NORTHWEST AROUND  
5 MPH THIS AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT INDEX  
VALUES UP TO 109.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY AND SATURDAY NIGHT  
CLEAR. HIGHS IN THE MID 90S. LOWS  
IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ030-181600-  
CLAY-  
INCLUDING THE CITY OF WEST POINT  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY, THEN BECOMING SUNNY THIS MORNING, THEN  
BECOMING MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S.  
LIGHT AND VARIABLE WINDS, BECOMING NORTH AROUND 5 MPH. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 109.    
TONIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH IN THE  
EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.  
CHANCE OF PRECIPITATION 30 PERCENT. HEAT INDEX VALUES UP TO  
107 EARLY IN THE EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HUMID WITH HIGHS IN THE MID 90S. WEST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
108.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 70S. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ051-181600-  
NEWTON-  
INCLUDING THE CITIES OF NEWTON, UNION, DECATUR, AND CONEHATTA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN CLEARING. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND  
100. WEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST THIS AFTERNOON.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 109.    
TONIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST  
AFTER MIDNIGHT. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 40 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.   
  
  
  
MSZ036-181600-  
HOLMES-  
INCLUDING THE CITIES OF DURANT, TCHULA, LEXINGTON, PICKENS,   
AND GOODMAN  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A CHANCE OF THUNDERSTORMS WITH A SLIGHT  
CHANCE OF SHOWERS THIS AFTERNOON. HOT WITH HIGHS AROUND 100.  
SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AROUND 5 MPH  
THIS AFTERNOON. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP  
TO 110.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE MID 70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AFTER  
MIDNIGHT. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ061-181600-  
FRANKLIN MS-  
INCLUDING THE CITIES OF BUDE, ROXIE, AND MEADVILLE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE MID 70S.    
FRIDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 30 PERCENT.  
HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
LAZ015-181600-  
RICHLAND-  
INCLUDING THE CITIES OF RAYVILLE AND DELHI  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105 EARLY IN  
THE EVENING.    
SATURDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND  
100. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX  
VALUES UP TO 105.   
  
  
  
MSZ044-181600-  
LEAKE-  
INCLUDING THE CITY OF CARTHAGE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN BECOMING SUNNY. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HOT WITH  
HIGHS AROUND 100. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
THIS AFTERNOON. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP  
TO 108.    
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE  
LOWER 70S. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.   
  
  
  
LAZ026-181600-  
CONCORDIA-  
INCLUDING THE CITIES OF VIDALIA, FERRIDAY, AND WEST FERRIDAY  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 114.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 111 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 112.    
THURSDAY NIGHT AND FRIDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ038-181600-  
WINSTON-  
INCLUDING THE CITY OF LOUISVILLE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS THIS  
AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND 5 MPH,  
BECOMING NORTHWEST AROUND 5 MPH THIS AFTERNOON. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 108.    
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. CHANCE OF  
RAIN 40 PERCENT.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ037-181600-  
ATTALA-  
INCLUDING THE CITY OF KOSCIUSKO  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS THIS  
AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND 5 MPH,  
BECOMING NORTHWEST AROUND 5 MPH THIS AFTERNOON. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 108.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. NORTHWEST WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE LOWER 70S. CHANCE OF RAIN 40 PERCENT.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 70.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ065-181600-  
COVINGTON-  
INCLUDING THE CITIES OF COLLINS AND MOUNT OLIVE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND 100. WEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 109.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS  
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE  
LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ057-181600-  
JASPER-  
INCLUDING THE CITIES OF BAY SPRINGS AND HEIDELBERG  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN CLEARING. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND  
100. WEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT  
INDEX VALUES UP TO 109.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF  
RAIN 40 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.   
  
  
  
MSZ058-181600-  
CLARKE-  
INCLUDING THE CITIES OF QUITMAN, STONEWALL, AND SHUBUTA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY EARLY THIS MORNING, THEN BECOMING SUNNY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HOT WITH  
HIGHS AROUND 100. WEST WINDS 5 TO 10 MPH. CHANCE OF RAIN  
40 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
106 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES  
UP TO 105 EARLY IN THE EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 70S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT AND SATURDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
70S. HIGHS IN THE UPPER 90S.    
SATURDAY NIGHT THROUGH MONDAY  
MOSTLY CLEAR. LOWS IN THE LOWER  
70S. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ056-181600-  
SMITH-  
INCLUDING THE CITIES OF TAYLORSVILLE AND RALEIGH  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
50 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 40 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.   
  
  
  
ARZ075-181600-  
CHICOT-  
INCLUDING THE CITIES OF DERMOTT, LAKE VILLAGE, AND EUDORA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND 100.  
SOUTHWEST WINDS AROUND 5 MPH, BECOMING WEST. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 102. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.  
HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
THURSDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND  
100. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
MSZ064-181600-  
JEFFERSON DAVIS-  
INCLUDING THE CITIES OF PRENTISS AND BASSFIELD  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY, THEN BECOMING SUNNY THIS MORNING, THEN  
BECOMING MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND 100. WEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 110.    
TONIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HOT WITH HIGHS AROUND 101. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN  
50 PERCENT.    
THURSDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 50 PERCENT. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
LAZ016-181600-  
MADISON LA-  
INCLUDING THE CITY OF TALLULAH  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 111.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
FRIDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ063-181600-  
LAWRENCE-  
INCLUDING THE CITIES OF MONTICELLO AND NEW HEBRON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY. HOT WITH HIGHS AROUND 100. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.    
TONIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES  
UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HOT WITH HIGHS AROUND 101. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES  
UP TO 106 EARLY IN THE EVENING.    
THURSDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HOT WITH HIGHS AROUND 100. WEST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HOT WITH HIGHS AROUND 100. CHANCE OF RAIN  
40 PERCENT. HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ039-181600-  
NOXUBEE-  
INCLUDING THE CITIES OF MACON AND BROOKSVILLE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
SUNNY EARLY THIS MORNING, THEN BECOMING MOSTLY SUNNY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE  
UPPER 90S. NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
30 PERCENT. HEAT INDEX VALUES UP TO 109.    
TONIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE MID 70S. WEST WINDS AROUND 5 MPH. CHANCE  
OF RAIN 20 PERCENT.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT AND FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 90S.  
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE MID 90S. LOWS  
IN THE LOWER 70S.   
  
  
  
LAZ008-181600-  
WEST CARROLL-  
INCLUDING THE CITIES OF OAK GROVE AND EPPS  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE UPPER 70S. SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO  
110 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
FRIDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES  
UP TO 105.   
  
  
  
MSZ028-181600-  
MONTGOMERY-  
INCLUDING THE CITY OF WINONA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY, THEN BECOMING SUNNY THIS MORNING, THEN  
BECOMING MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE UPPER 90S. LIGHT AND  
VARIABLE WINDS, BECOMING NORTHWEST AROUND 5 MPH THIS AFTERNOON.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 108.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. LIGHT AND VARIABLE  
WINDS.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 70.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 70.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS AROUND 70.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ053-181600-  
CLAIBORNE-  
INCLUDING THE CITY OF PORT GIBSON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 112.    
TONIGHT  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110 EARLY  
IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
THURSDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 113.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO  
110 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ035-181600-  
HUMPHREYS-  
INCLUDING THE CITIES OF BELZONI AND ISOLA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HOT WITH HIGHS AROUND 100. SOUTH  
WINDS AROUND 5 MPH, BECOMING WEST AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 111.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH AFTER  
MIDNIGHT. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 102. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.  
HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
THURSDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 110.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S.   
  
  
  
LAZ024-181600-  
CATAHOULA-  
INCLUDING THE CITIES OF JONESVILLE AND HARRISONBURG  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO  
110 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SATURDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND  
100. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES  
UP TO 110.   
  
  
  
MSZ027-181600-  
CARROLL-  
INCLUDING THE CITIES OF VAIDEN, NORTH CARROLLTON, AND CARROLLTON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS THIS  
AFTERNOON. HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE WINDS,  
BECOMING NORTHWEST AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 108.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE MID 70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AFTER  
MIDNIGHT. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 106.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY AND SATURDAY NIGHT  
CLEAR. HIGHS IN THE MID 90S. LOWS  
IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ046-181600-  
KEMPER-  
INCLUDING THE CITIES OF DE KALB AND SCOOBA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN BECOMING SUNNY. A CHANCE OF  
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE UPPER 90S.  
WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST THIS AFTERNOON.  
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 108.    
TONIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
HUMID WITH LOWS IN THE MID 70S. WEST WINDS AROUND 5 MPH. CHANCE  
OF RAIN 50 PERCENT.    
WEDNESDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
40 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT AND FRIDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 90S.  
CHANCE OF RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE MID 90S. LOWS  
IN THE LOWER 70S.   
  
  
  
MSZ029-181600-  
WEBSTER-  
INCLUDING THE CITIES OF EUPORA AND MATHISTON  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHWEST AROUND 5 MPH THIS AFTERNOON. HEAT INDEX  
VALUES UP TO 109.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. LIGHT AND VARIABLE  
WINDS. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. LIGHT AND  
VARIABLE WINDS. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.   
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 90S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 107.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 70.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID 90S.  
LOWS AROUND 70.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ032-181600-  
CHOCTAW-  
INCLUDING THE CITIES OF ACKERMAN AND WEIR  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
PARTLY CLOUDY EARLY, THEN BECOMING SUNNY. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE  
UPPER 90S. NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 109.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. LIGHT AND VARIABLE  
WINDS.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. WEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 90S. WEST WINDS AROUND 5 MPH.  
CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE LOWER 70S. CHANCE OF RAIN 40 PERCENT.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE LOWER 70S.    
SATURDAY  
SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 70.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S.   
  
  
  
MSZ059-181600-  
JEFFERSON-  
INCLUDING THE CITY OF FAYETTE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. WEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT AND FRIDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
LAZ009-181600-  
EAST CARROLL-  
INCLUDING THE CITY OF LAKE PROVIDENCE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 110.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
FRIDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES  
UP TO 105.   
  
  
  
LAZ023-181600-  
FRANKLIN LA-  
INCLUDING THE CITY OF WINNSBORO  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
105.    
FRIDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
LAZ025-181600-  
TENSAS-  
INCLUDING THE CITIES OF NEWELLTON, ST. JOSEPH, AND WATERPROOF  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 110.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. SOUTHWEST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ041-181600-  
SHARKEY-  
INCLUDING THE CITIES OF ROLLING FORK AND ANGUILLA  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING WEST AROUND 5 MPH THIS AFTERNOON. HEAT  
INDEX VALUES UP TO 111.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH. HEAT  
INDEX VALUES UP TO 110 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 102. SOUTHWEST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.  
HEAT INDEX VALUES UP TO 110 EARLY IN THE EVENING.    
THURSDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE  
EVENING. LOWS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
FRIDAY THROUGH SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
SATURDAY NIGHT  
CLEAR. LOWS IN THE LOWER 70S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND 100.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES  
UP TO 105.   
  
  
  
MSZ040-181600-  
ISSAQUENA-  
INCLUDING THE CITY OF MAYERSVILLE  
321 AM CDT TUE AUG 18 2026  
  
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
TODAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST WINDS  
5 TO 10 MPH, BECOMING WEST THIS AFTERNOON. HEAT INDEX VALUES UP  
TO 111.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH. HEAT  
INDEX VALUES UP TO 110 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. SOUTHWEST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTHWEST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
FRIDAY THROUGH SUNDAY NIGHT  
MOSTLY CLEAR. HOT. HIGHS AROUND  
100. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES  
UP TO 105.   
  
  
 
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