338   
FPUS54 KJAN 202043  
ZFPJAN  
  
ZONE FORECAST PRODUCT FOR CENTRAL MISSISSIPPI, NORTHEAST LOUISIANA,  
AND SOUTHEAST ARKANSAS  
NATIONAL WEATHER SERVICE JACKSON MS  
341 PM CDT MON JUL 20 2026  
  
MSZ048-210400-  
HINDS-  
INCLUDING THE CITY OF JACKSON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTH WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 110 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTH WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 114.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 112 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 116.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 112 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY  
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.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ049-210400-  
RANKIN-  
INCLUDING THE CITIES OF PEARL, BRANDON, AND RICHLAND  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. NORTHEAST WINDS AROUND 5 MPH THIS  
EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX VALUES UP TO  
107 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
EAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHEAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY 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.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
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.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ052-210400-  
LAUDERDALE-  
INCLUDING THE CITY OF MERIDIAN  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. EAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY. HIGHS IN THE MID 90S. EAST WINDS 5 TO 10 MPH.  
HEAT INDEX VALUES UP TO 106.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. EAST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE MID 90S. EAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. EAST WINDS 5 TO 10 MPH. 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 LOWER 90S. CHANCE OF RAIN  
40 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 40 PERCENT.   
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF RAIN  
50 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ043-210400-  
MADISON MS-  
INCLUDING THE CITIES OF RIDGELAND, MADISON, AND CANTON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN CLEARING. LOWS IN THE  
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH THIS EVENING, BECOMING  
LIGHT AND VARIABLE. HEAT INDEX VALUES UP TO 107 EARLY THIS  
EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
EAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110 EARLY IN THE  
EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN  
30 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ074-210400-  
FORREST-  
INCLUDING THE CITY OF HATTIESBURG  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 106 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN  
THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHEAST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER  
70S. EAST WINDS 5 TO 10 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 MID 90S. CHANCE OF RAIN  
50 PERCENT. HEAT INDEX VALUES UP TO 105.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 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  
MOSTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SATURDAY  
MOSTLY SUNNY WITH A CHANCE OF THUNDERSTORMS. A CHANCE  
OF SHOWERS. HIGHS IN THE MID 90S. CHANCE OF RAIN 50 PERCENT. HEAT  
INDEX VALUES UP TO 105.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 90S. CHANCE OF RAIN 40 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ066-210400-  
JONES-  
INCLUDING THE CITY OF LAUREL  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 107 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN  
THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX  
VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
EAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
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.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 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 110.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
MOSTLY SUNNY WITH A CHANCE OF THUNDERSTORMS. A CHANCE  
OF SHOWERS. HIGHS IN THE MID 90S. CHANCE OF RAIN 50 PERCENT. HEAT  
INDEX VALUES UP TO 110.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ034-210400-  
WASHINGTON-  
INCLUDING THE CITY OF GREENVILLE  
341 PM CDT MON JUL 20 2026  
   
..EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 111 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. WEST WINDS  
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 113.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
SOUTHEAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 114 EARLY  
IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. HEAT INDEX VALUES UP  
TO 106 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES  
UP TO 105.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ031-210400-  
LOWNDES-  
INCLUDING THE CITY OF COLUMBUS  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. LIGHT AND  
VARIABLE WINDS, BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY THIS  
EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HUMID  
WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING  
NORTHEAST IN THE AFTERNOON. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ047-210400-  
WARREN-  
INCLUDING THE CITY OF VICKSBURG  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 110 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
114.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 112 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 115.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S.    
FRIDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ033-210400-  
OKTIBBEHA-  
INCLUDING THE CITY OF STARKVILLE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. LIGHT AND VARIABLE WINDS. HEAT  
INDEX VALUES UP TO 107 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE MID 90S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTH WINDS  
5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY SUNNY. HIGHS  
IN THE MID 90S. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP  
TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ018-210400-  
BOLIVAR-  
INCLUDING THE CITY OF CLEVELAND  
341 PM CDT MON JUL 20 2026  
   
..EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 112 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS  
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 114.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 116 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE MID 90S. NORTHEAST WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO  
110.    
SUNDAY NIGHT  
CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX VALUES  
UP TO 110 EARLY IN THE EVENING.    
MONDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.   
  
  
  
MSZ073-210400-  
LAMAR-  
INCLUDING THE CITIES OF WEST HATTIESBURG, LUMBERTON, AND PURVIS  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 106 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX  
VALUES UP TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S. EAST WINDS 5 TO  
10 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 MID 90S. CHANCE OF RAIN  
40 PERCENT. HEAT INDEX VALUES UP TO 105.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 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  
MOSTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
MOSTLY SUNNY WITH A CHANCE OF THUNDERSTORMS. A CHANCE  
OF SHOWERS. HIGHS IN THE MID 90S. CHANCE OF RAIN 50 PERCENT. HEAT  
INDEX VALUES UP TO 105.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 90S. CHANCE OF RAIN 40 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ025-210400-  
LEFLORE-  
INCLUDING THE CITY OF GREENWOOD  
341 PM CDT MON JUL 20 2026  
   
..EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 111 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 114.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 114 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS AROUND  
5 MPH, INCREASING TO NORTH 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTH WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT. HEAT INDEX  
VALUES UP TO 105.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ019-210400-  
SUNFLOWER-  
INCLUDING THE CITIES OF INDIANOLA AND RULEVILLE  
341 PM CDT MON JUL 20 2026  
   
..EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 112 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTH WINDS AROUND  
5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 114.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 115 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE MID 90S. NORTHEAST WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT. HEAT INDEX  
VALUES UP TO 105.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 115.   
  
  
  
MSZ060-210400-  
ADAMS-  
INCLUDING THE CITY OF NATCHEZ  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 108 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTHWEST WINDS  
5 TO 10 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
114.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 118.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 112 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
SATURDAY  
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 110.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ062-210400-  
LINCOLN-  
INCLUDING THE CITY OF BROOKHAVEN  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 106 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTH WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 112.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 114.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY  
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 110.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
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.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ007-210400-  
MOREHOUSE-  
INCLUDING THE CITY OF BASTROP  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. LIGHT AND VARIABLE WINDS. HEAT  
INDEX VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE WINDS,  
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 111.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S. LIGHT AND  
VARIABLE WINDS. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.   
WEDNESDAY  
SUNNY. HIGHS IN THE UPPER 90S. NORTHEAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP  
TO 106 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ054-210400-  
COPIAH-  
INCLUDING THE CITIES OF CRYSTAL SPRINGS, HAZLEHURST, AND WESSON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTH WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTH WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 114.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110 EARLY  
IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 116.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
SATURDAY  
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 110.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
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 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ045-210400-  
NESHOBA-  
INCLUDING THE CITIES OF PHILADELPHIA AND PEARL RIVER  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH THIS EVENING,  
BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 20 PERCENT.    
TUESDAY  
SUNNY. HIGHS IN THE MID 90S. EAST WINDS AROUND 5 MPH.  
HEAT INDEX VALUES UP TO 107.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. EAST WINDS AROUND 5 MPH. HEAT  
INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 90S. EAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF RAIN  
40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ050-210400-  
SCOTT-  
INCLUDING THE CITIES OF FOREST AND MORTON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH THIS EVENING,  
BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 20 PERCENT.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 109.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
EAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN  
40 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ042-210400-  
YAZOO-  
INCLUDING THE CITY OF YAZOO CITY  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH THIS  
EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX VALUES UP TO  
109 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 113.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS 5 TO  
10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES  
UP TO 105.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ055-210400-  
SIMPSON-  
INCLUDING THE CITIES OF MAGEE AND MENDENHALL  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 106 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
112.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHEAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY  
PARTLY 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 110.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
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 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ072-210400-  
MARION-  
INCLUDING THE CITY OF COLUMBIA  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 106 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
112.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 114.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER  
70S. EAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110 EARLY  
IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
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 110.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO  
105 EARLY IN THE EVENING.    
SATURDAY  
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 110.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 70S.    
MONDAY  
SUNNY. HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO  
110.   
  
  
  
ARZ074-210400-  
ASHLEY-  
INCLUDING THE CITIES OF CROSSETT, NORTH CROSSETT, HAMBURG,   
AND WEST CROSSETT  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. LIGHT AND VARIABLE WINDS. HEAT  
INDEX VALUES UP TO 108 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A CHANCE OF THUNDERSTORMS WITH A SLIGHT CHANCE  
OF SHOWERS IN THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT  
INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
LIGHT AND VARIABLE WINDS. HEAT INDEX VALUES UP TO 110 EARLY IN  
THE EVENING.    
WEDNESDAY  
SUNNY. HIGHS IN THE MID 90S. NORTHEAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 106.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ026-210400-  
GRENADA-  
INCLUDING THE CITY OF GRENADA  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 108 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 111.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. LIGHT AND  
VARIABLE WINDS. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.   
WEDNESDAY  
SUNNY. HIGHS IN THE MID 90S. EAST WINDS AROUND  
5 MPH, BECOMING NORTH IN THE AFTERNOON. HEAT INDEX VALUES UP TO  
107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE LOWER 90S. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ030-210400-  
CLAY-  
INCLUDING THE CITY OF WEST POINT  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. LIGHT AND  
VARIABLE WINDS. HEAT INDEX VALUES UP TO 107 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. LIGHT AND  
VARIABLE WINDS, BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.  
HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE MID 90S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTH WINDS  
5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE LOWER 90S. CHANCE OF RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY SUNNY. HIGHS  
IN THE MID 90S. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP  
TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ051-210400-  
NEWTON-  
INCLUDING THE CITIES OF NEWTON, UNION, DECATUR, AND CONEHATTA  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
SUNNY. HIGHS IN THE MID 90S. EAST WINDS 5 TO 10 MPH.  
HEAT INDEX VALUES UP TO 108.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. EAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
EAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE  
EVENING.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN  
50 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ036-210400-  
HOLMES-  
INCLUDING THE CITIES OF DURANT, TCHULA, LEXINGTON, PICKENS,   
AND GOODMAN  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. NORTH WINDS AROUND 5 MPH THIS EVENING,  
BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 20 PERCENT. HEAT  
INDEX VALUES UP TO 107 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 112.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. EAST WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS AROUND  
5 MPH, BECOMING NORTHEAST WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ061-210400-  
FRANKLIN MS-  
INCLUDING THE CITIES OF BUDE, ROXIE, AND MEADVILLE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
111.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY  
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.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
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.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ015-210400-  
RICHLAND-  
INCLUDING THE CITIES OF RAYVILLE AND DELHI  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. LIGHT AND  
VARIABLE WINDS. HEAT INDEX VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING NORTH IN THE AFTERNOON. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 111.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS AROUND 80.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
AROUND 5 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S.    
FRIDAY THROUGH SATURDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID  
90S. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 105.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ044-210400-  
LEAKE-  
INCLUDING THE CITY OF CARTHAGE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS. CHANCE OF RAIN  
20 PERCENT.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. EAST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN  
40 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ026-210400-  
CONCORDIA-  
INCLUDING THE CITIES OF VIDALIA, FERRIDAY, AND WEST FERRIDAY  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX  
VALUES UP TO 110 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTHWEST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
114.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 113 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 101. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 119.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 114 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE UPPER  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
SATURDAY  
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 110 IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 115.   
  
  
  
MSZ038-210400-  
WINSTON-  
INCLUDING THE CITY OF LOUISVILLE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE MID 90S. EAST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 108.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE MID 90S. EAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY SUNNY. HIGHS  
IN THE LOWER 90S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ037-210400-  
ATTALA-  
INCLUDING THE CITY OF KOSCIUSKO  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS. CHANCE OF RAIN  
40 PERCENT.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 108.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. LIGHT AND VARIABLE  
WINDS. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF RAIN  
30 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ065-210400-  
COVINGTON-  
INCLUDING THE CITIES OF COLLINS AND MOUNT OLIVE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 106 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHEAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
EAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S. HEAT INDEX VALUES UP TO 105.    
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 110.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
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 110.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ057-210400-  
JASPER-  
INCLUDING THE CITIES OF BAY SPRINGS AND HEIDELBERG  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE MID 90S. NORTHEAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 108.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. EAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
EAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. EAST WINDS  
5 TO 10 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 LOWER 90S. CHANCE OF RAIN  
40 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
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  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
PARTLY 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.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ058-210400-  
CLARKE-  
INCLUDING THE CITIES OF QUITMAN, STONEWALL, AND SHUBUTA  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 106 EARLY THIS EVENING.    
TUESDAY  
SUNNY. HIGHS IN THE MID 90S. NORTHEAST WINDS 5 TO  
10 MPH. HEAT INDEX VALUES UP TO 108.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S.  
EAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE MID 90S. EAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. EAST WINDS 5 TO 10 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 LOWER 90S. CHANCE OF RAIN  
40 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 70S.    
FRIDAY  
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF RAIN 40 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 90S. CHANCE OF RAIN 50 PERCENT.  
HEAT INDEX VALUES UP TO 105.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ056-210400-  
SMITH-  
INCLUDING THE CITIES OF TAYLORSVILLE AND RALEIGH  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY. HIGHS IN THE UPPER 90S. NORTHEAST WINDS AROUND  
5 MPH. HEAT INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. EAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 90S.  
NORTHEAST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID  
90S. 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  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
PARTLY 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.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
ARZ075-210400-  
CHICOT-  
INCLUDING THE CITIES OF DERMOTT, LAKE VILLAGE, AND EUDORA  
341 PM CDT MON JUL 20 2026  
   
..EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. WEST WINDS  
AROUND 5 MPH, BECOMING NORTH IN THE AFTERNOON. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 112.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
SOUTHEAST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 112 EARLY  
IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 108.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 10 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 90S.  
LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ064-210400-  
JEFFERSON DAVIS-  
INCLUDING THE CITIES OF PRENTISS AND BASSFIELD  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO  
111.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO  
105.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
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 40 PERCENT.  
HEAT INDEX VALUES UP TO 110.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 70S.    
SATURDAY  
PARTLY 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.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 90S. CHANCE OF  
RAIN 40 PERCENT. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ016-210400-  
MADISON LA-  
INCLUDING THE CITY OF TALLULAH  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. LIGHT AND  
VARIABLE WINDS. HEAT INDEX VALUES UP TO 108 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
113.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
AROUND 5 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 114.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE MID 70S.    
FRIDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ063-210400-  
LAWRENCE-  
INCLUDING THE CITIES OF MONTICELLO AND NEW HEBRON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY THIS  
EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTH WINDS  
5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
113.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110 EARLY IN THE  
EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 116.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110 EARLY IN THE  
EVENING.    
THURSDAY  
SUNNY. HIGHS IN THE UPPER 90S. 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  
PARTLY 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.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
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 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ039-210400-  
NOXUBEE-  
INCLUDING THE CITIES OF MACON AND BROOKSVILLE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. EAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
SUNNY WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 106.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. SOUTHEAST WINDS  
AROUND 5 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.    
WEDNESDAY  
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HUMID  
WITH HIGHS IN THE MID 90S. EAST WINDS 5 TO 10 MPH. HEAT INDEX  
VALUES UP TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. NORTHEAST WINDS 5 TO 10 MPH.    
THURSDAY THROUGH FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE  
LOWER 90S. LOWS IN THE LOWER 70S.    
SATURDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
LAZ008-210400-  
WEST CARROLL-  
INCLUDING THE CITIES OF OAK GROVE AND EPPS  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. LIGHT AND VARIABLE WINDS. HEAT  
INDEX VALUES UP TO 108 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. LIGHT AND  
VARIABLE WINDS, BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 111.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S. LIGHT AND  
VARIABLE WINDS. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.   
WEDNESDAY  
SUNNY WITH HIGHS IN THE MID 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP  
TO 105 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY THROUGH SATURDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE MID 90S. LOWS  
IN THE MID 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ028-210400-  
MONTGOMERY-  
INCLUDING THE CITY OF WINONA  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS. HEAT INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS.  
HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY. HIGHS IN THE MID 90S. EAST WINDS AROUND  
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST  
WINDS 5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS AROUND 70.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 30 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ053-210400-  
CLAIBORNE-  
INCLUDING THE CITY OF PORT GIBSON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
115.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 116.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY  
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 110.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ035-210400-  
HUMPHREYS-  
INCLUDING THE CITIES OF BELZONI AND ISOLA  
341 PM CDT MON JUL 20 2026  
   
..EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 110 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 114.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. EAST WINDS  
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 113 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP TO 112.   
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 25 MPH. HEAT INDEX VALUES UP  
TO 106 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES  
UP TO 105.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ024-210400-  
CATAHOULA-  
INCLUDING THE CITIES OF JONESVILLE AND HARRISONBURG  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX  
VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. NORTHWEST WINDS 5 TO  
10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 112.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY, HOT WITH HIGHS AROUND 100. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 116.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP  
TO 113 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
FRIDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ027-210400-  
CARROLL-  
INCLUDING THE CITIES OF VAIDEN, NORTH CARROLLTON, AND CARROLLTON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. NORTH WINDS AROUND 5 MPH THIS EVENING,  
BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 40 PERCENT. HEAT  
INDEX VALUES UP TO 107 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 111.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTHEAST WINDS AROUND  
5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX  
VALUES UP TO 110 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY. HIGHS IN THE UPPER 90S. EAST WINDS AROUND  
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON. HEAT INDEX VALUES UP  
TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE MID 90S. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ046-210400-  
KEMPER-  
INCLUDING THE CITIES OF DE KALB AND SCOOBA  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING. LOWS IN THE MID 70S. EAST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
SUNNY. HIGHS IN THE MID 90S. EAST WINDS AROUND 5 MPH.  
HEAT INDEX VALUES UP TO 105.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. EAST WINDS AROUND  
5 MPH.    
WEDNESDAY  
PARTLY SUNNY IN THE MORNING, THEN CLEARING. HUMID  
WITH HIGHS IN THE MID 90S. EAST WINDS 5 TO 10 MPH. HEAT INDEX  
VALUES UP TO 106.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH.  
HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.    
THURSDAY THROUGH FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE  
LOWER 90S. LOWS IN THE LOWER 70S.    
SATURDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 40 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ029-210400-  
WEBSTER-  
INCLUDING THE CITIES OF EUPORA AND MATHISTON  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN CLEARING. LOWS IN THE  
MID 70S. LIGHT AND VARIABLE WINDS. HEAT INDEX VALUES UP TO  
106 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS. HEAT INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS.  
HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS  
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST  
WINDS AROUND 5 MPH. GUSTS UP TO 20 MPH IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS AROUND 70.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
A CHANCE OF SHOWERS IN THE MORNING. PARTLY SUNNY.  
HIGHS IN THE LOWER 90S. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING. HIGHS  
IN THE MID 90S. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP  
TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ032-210400-  
CHOCTAW-  
INCLUDING THE CITIES OF ACKERMAN AND WEIR  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY  
  
   
TONIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 70S. LIGHT AND VARIABLE WINDS. CHANCE OF RAIN  
20 PERCENT. HEAT INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY WITH HIGHS IN THE MID 90S. LIGHT AND VARIABLE  
WINDS, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON. HEAT INDEX  
VALUES UP TO 109.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 70S. LIGHT AND VARIABLE  
WINDS. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE MID 90S. SOUTHEAST WINDS  
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 107.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 70S. NORTHEAST  
WINDS AROUND 5 MPH.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS AROUND 70.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE LOWER 70S.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF  
RAIN 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S.    
SUNDAY  
A CHANCE OF SHOWERS IN THE MORNING. MOSTLY SUNNY. HIGHS  
IN THE LOWER 90S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.   
  
  
  
MSZ059-210400-  
JEFFERSON-  
INCLUDING THE CITY OF FAYETTE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 105 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
112.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SATURDAY  
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.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ009-210400-  
EAST CARROLL-  
INCLUDING THE CITY OF LAKE PROVIDENCE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. LIGHT AND VARIABLE WINDS. HEAT  
INDEX VALUES UP TO 108 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. LIGHT AND VARIABLE  
WINDS, BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON. CHANCE OF  
RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 112.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
LIGHT AND VARIABLE WINDS. HEAT INDEX VALUES UP TO 111 EARLY IN  
THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE MID 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP  
TO 106 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY THROUGH SATURDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE MID 90S. LOWS  
IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ023-210400-  
FRANKLIN LA-  
INCLUDING THE CITY OF WINNSBORO  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
   
..HEAT ADVISORY IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX  
VALUES UP TO 107 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 90S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON. CHANCE OF  
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 110.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
10 TO 15 MPH. HEAT INDEX VALUES UP TO 111.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S.    
FRIDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
LAZ025-210400-  
TENSAS-  
INCLUDING THE CITIES OF NEWELLTON, ST. JOSEPH, AND WATERPROOF  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT  
INDEX VALUES UP TO 107 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. NORTH WINDS  
AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO  
110.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
AROUND 5 MPH, INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. HEAT  
INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. NORTHEAST  
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE  
EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE MID 70S.    
FRIDAY THROUGH SUNDAY  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE MID 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ041-210400-  
SHARKEY-  
INCLUDING THE CITIES OF ROLLING FORK AND ANGUILLA  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 70S. WEST WINDS AROUND  
5 MPH THIS EVENING, BECOMING LIGHT AND VARIABLE. HEAT INDEX  
VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. LIGHT AND  
VARIABLE WINDS, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 113.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
EAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 113 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. EAST WINDS AROUND  
5 MPH, INCREASING TO NORTHEAST 10 TO 15 MPH IN THE AFTERNOON.  
HEAT INDEX VALUES UP TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. HEAT INDEX VALUES UP  
TO 107 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE MID  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE MID 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES  
UP TO 105.    
SATURDAY NIGHT AND SUNDAY  
PARTLY CLOUDY. LOWS IN THE MID 70S.  
HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO 110.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 70S.  
HIGHS IN THE UPPER 90S. HEAT INDEX VALUES UP TO 110.   
  
  
  
MSZ040-210400-  
ISSAQUENA-  
INCLUDING THE CITY OF MAYERSVILLE  
341 PM CDT MON JUL 20 2026  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT TUESDAY  
  
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT  
TUESDAY...  
   
TONIGHT  
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY  
CLEAR. LOWS IN THE UPPER 70S. LIGHT AND VARIABLE WINDS. HEAT  
INDEX VALUES UP TO 109 EARLY THIS EVENING.    
TUESDAY  
SUNNY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HUMID WITH HIGHS IN THE UPPER 90S. LIGHT AND  
VARIABLE WINDS, BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.  
CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 113.    
TUESDAY NIGHT  
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.  
NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND  
VARIABLE. HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.    
WEDNESDAY  
SUNNY WITH HIGHS IN THE UPPER 90S. NORTHEAST WINDS  
5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 70S. NORTHEAST  
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. HEAT INDEX VALUES UP  
TO 108 EARLY IN THE EVENING.    
THURSDAY AND THURSDAY NIGHT  
MOSTLY CLEAR. HIGHS IN THE LOWER  
90S. LOWS IN THE LOWER 70S.    
FRIDAY AND FRIDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S.  
LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES  
UP TO 105.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX  
VALUES UP TO 105 EARLY IN THE EVENING.    
SUNDAY THROUGH MONDAY  
MOSTLY CLEAR. HIGHS IN THE MID 90S. LOWS  
IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110.   
  
  
 
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