411
WWUS74 KJAN 192350
NPWJAN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
650 PM CDT WED AUG 19 2026
ARZ075-LAZ008-009-016-024>026-MSZ018-019-025-034>036-040>043-047>049-
053-054-059>061-201000-
/O.CON.KJAN.XH.W.0008.000000T0000Z-260820T0200Z/
/O.CON.KJAN.HT.Y.0022.260820T1600Z-260821T0100Z/
CHICOT-WEST CARROLL-EAST CARROLL-MADISON LA-CATAHOULA-TENSAS-
CONCORDIA-BOLIVAR-SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-HOLMES-
ISSAQUENA-SHARKEY-YAZOO-MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE-
COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-
INCLUDING THE CITIES OF ROLLING FORK, GREENVILLE, EUDORA, MEADVILLE,
WATERPROOF, TALLULAH, CANTON, FERRIDAY, MADISON, CRYSTAL SPRINGS,
FAYETTE, PEARL, LEXINGTON, ROXIE, VIDALIA, ISOLA, EPPS, GREENWOOD,
BUDE, RULEVILLE, DERMOTT, RIDGELAND, RICHLAND, MAYERSVILLE, JACKSON,
BRANDON, PORT GIBSON, NATCHEZ, WESSON, WEST FERRIDAY, OAK GROVE,
HAZLEHURST, JONESVILLE, LAKE
VILLAGE, VICKSBURG, DURANT, ST. JOSEPH, CLEVELAND, INDIANOLA,
BELZONI, ANGUILLA, GOODMAN, HARRISONBURG, PICKENS, TCHULA, YAZOO
CITY, LAKE PROVIDENCE, AND NEWELLTON
650 PM CDT WED AUG 19 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...
..HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT THURSDAY
* WHAT...FOR THE EXTREME HEAT WARNING, DANGEROUSLY HOT CONDITIONS
WITH HEAT INDEX VALUES UP TO 115 DEGREES. FOR THE HEAT ADVISORY,
HEAT INDEX VALUES UP TO 110 DEGREES EXPECTED.
* WHERE...PORTIONS OF WEST CENTRAL AND SOUTHWEST MISSISSIPPI,
SOUTHEAST ARKANSAS, AND NORTHEAST LOUISIANA.
* WHEN...FOR THE EXTREME HEAT WARNING, UNTIL 9 PM CDT THIS EVENING.
FOR THE HEAT ADVISORY, FROM 11 AM TO 8 PM CDT THURSDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
ARZ074-LAZ007-015-023-MSZ026>033-037>039-044>046-050>052-055>058-
062>066-072>074-201000-
/O.CON.KJAN.HT.Y.0020.000000T0000Z-260820T0200Z/
/O.CON.KJAN.HT.Y.0022.260820T1600Z-260821T0100Z/
ASHLEY-MOREHOUSE-RICHLAND-FRANKLIN LA-GRENADA-CARROLL-MONTGOMERY-
WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-WINSTON-NOXUBEE-LEAKE-
NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-SMITH-JASPER-CLARKE-
LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF BROOKHAVEN, LUMBERTON, PURVIS, EUPORA,
HAMBURG, PHILADELPHIA, LAUREL, MATHISTON, CROSSETT, WEST HATTIESBURG,
CONEHATTA, WEST CROSSETT, TAYLORSVILLE, HATTIESBURG, KOSCIUSKO,
STONEWALL, RAYVILLE, GRENADA, FOREST, HEIDELBERG, WEIR, DECATUR,
BASSFIELD, MERIDIAN, DE KALB, WINNSBORO, VAIDEN, SCOOBA, BROOKSVILLE,
QUITMAN, DELHI, STARKVILLE, PRENTISS, NEW HEBRON, LOUISVILLE, MAGEE,
BAY SPRINGS, SHUBUTA, UNION, MACON, BASTROP, MORTON, COLLINS,
COLUMBIA, WEST POINT, RALEIGH, ACKERMAN, MENDENHALL, PEARL RIVER,
NEWTON, WINONA, MOUNT OLIVE, CARROLLTON, COLUMBUS, MONTICELLO, NORTH
CARROLLTON, NORTH CROSSETT, AND CARTHAGE
650 PM CDT WED AUG 19 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
..HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT THURSDAY
* WHAT...HEAT INDEX VALUES UP TO 110 DEGREES EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND
MUCH OF EASTERN MISSISSIPPI.
* WHEN...FOR THE FIRST HEAT ADVISORY, UNTIL 9 PM CDT THIS EVENING.
FOR THE SECOND HEAT ADVISORY, FROM 11 AM TO 8 PM CDT THURSDAY.
* 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.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
DC
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