892
WWUS74 KJAN 211758
NPWJAN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
1258 PM CDT FRI AUG 21 2026
LAZ007>009-015-016-023>026-MSZ040>043-047>049-053>055-059>064-072-
220200-
/O.NEW.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/
/O.CON.KJAN.XH.W.0009.000000T0000Z-260822T0100Z/
MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-MADISON LA-FRANKLIN
LA-CATAHOULA-TENSAS-CONCORDIA-ISSAQUENA-SHARKEY-YAZOO-MADISON MS-
WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-SIMPSON-JEFFERSON-ADAMS-
FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-MARION-
INCLUDING THE CITIES OF WINNSBORO, RAYVILLE, JACKSON, MONTICELLO,
BRANDON, NEWELLTON, BASTROP, PEARL, TALLULAH, BROOKHAVEN, FAYETTE,
NATCHEZ, BUDE, VIDALIA, ROXIE, HAZLEHURST, FERRIDAY, COLUMBIA,
CRYSTAL SPRINGS, MENDENHALL, CANTON, WESSON, PORT GIBSON, MEADVILLE,
WEST FERRIDAY, WATERPROOF, EPPS, LAKE PROVIDENCE, PRENTISS, MAGEE,
BASSFIELD, OAK GROVE, MAYERSVILLE,
ANGUILLA, VICKSBURG, NEW HEBRON, ROLLING FORK, ST. JOSEPH, DELHI,
HARRISONBURG, RIDGELAND, MADISON, YAZOO CITY, RICHLAND, AND
JONESVILLE
1258 PM CDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...FOR THE EXTREME HEAT WARNING, DANGEROUSLY HOT CONDITIONS
WITH HEAT INDEX VALUES UP TO 115. FOR THE HEAT ADVISORY, HEAT INDEX
VALUES UP TO 110 EXPECTED.
* WHERE...PORTIONS OF NORTHEAST LOUISIANA AND CENTRAL, SOUTH CENTRAL,
SOUTHWEST, AND WEST CENTRAL MISSISSIPPI.
* WHEN...FOR THE EXTREME HEAT WARNING, UNTIL 8 PM CDT THIS EVENING.
FOR THE HEAT ADVISORY, FROM 11 AM TO 8 PM CDT SATURDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT RELATED
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
ARZ074-075-MSZ018-019-025-034>036-220200-
/O.NEW.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/
/O.CON.KJAN.HT.Y.0023.000000T0000Z-260822T0100Z/
ASHLEY-CHICOT-BOLIVAR-SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-HOLMES-
INCLUDING THE CITIES OF DURANT, CROSSETT, GOODMAN, BELZONI,
GREENWOOD, TCHULA, LEXINGTON, RULEVILLE, WEST CROSSETT, DERMOTT,
EUDORA, CLEVELAND, INDIANOLA, ISOLA, GREENVILLE, NORTH CROSSETT,
PICKENS, HAMBURG, AND LAKE VILLAGE
1258 PM CDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...HEAT INDEX VALUES OF UP TO 110 EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS AND CENTRAL MISSISSIPPI.
* WHEN...FOR THE FIRST HEAT ADVISORY, UNTIL 8 PM CDT THIS EVENING.
FOR THE SECOND HEAT ADVISORY, FROM 11 AM TO 8 PM CDT SATURDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT RELATED
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
MSZ026>033-037>039-044>046-050>052-056>058-065-066-073-074-220100-
/O.CON.KJAN.HT.Y.0023.000000T0000Z-260822T0100Z/
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-
ATTALA-WINSTON-NOXUBEE-LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-
SMITH-JASPER-CLARKE-COVINGTON-JONES-LAMAR-FORREST-
INCLUDING THE CITIES OF NORTH CARROLLTON, LAUREL, WINONA, MORTON,
WEST HATTIESBURG, EUPORA, COLUMBUS, COLLINS, SHUBUTA, MATHISTON, BAY
SPRINGS, UNION, BROOKSVILLE, QUITMAN, DE KALB, STARKVILLE, RALEIGH,
NEWTON, PEARL RIVER, MERIDIAN, GRENADA, WEST POINT, MACON, WEIR,
CONEHATTA, TAYLORSVILLE, MOUNT OLIVE, ACKERMAN, LUMBERTON,
CARROLLTON, FOREST, STONEWALL, CARTHAGE, HEIDELBERG, VAIDEN, PURVIS,
SCOOBA, LOUISVILLE, HATTIESBURG, KOSCIUSKO, PHILADELPHIA, AND DECATUR
1258 PM CDT FRI AUG 21 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...HEAT INDEX VALUES UP TO 110.
* WHERE...PORTIONS OF CENTRAL AND EASTERN MISSISSIPPI.
* WHEN...UNTIL 8 PM CDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT RELATED
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
EC
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