065
WWUS74 KJAN 170046
NPWJAN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
746 PM CDT SUN AUG 16 2026
ARZ075-LAZ008-009-016-025-026-MSZ018-019-025>066-072>074-171100-
/O.CON.KJAN.XH.W.0007.000000T0000Z-260818T0100Z/
CHICOT-WEST CARROLL-EAST CARROLL-MADISON LA-TENSAS-CONCORDIA-
BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-
LOWNDES-CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON-
NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-KEMPER-
WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH-SIMPSON-
SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-LAWRENCE-
JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF MAGEE, LEXINGTON, NATCHEZ, CONEHATTA,
PRENTISS, BASSFIELD, NEW HEBRON, DECATUR, PEARL, STARKVILLE,
CARROLLTON, VICKSBURG, LAKE PROVIDENCE, WESSON, TAYLORSVILLE,
GOODMAN, WATERPROOF, COLLINS, TALLULAH, NEWTON, NORTH CARROLLTON,
JACKSON, PURVIS, RULEVILLE, PHILADELPHIA, HAZLEHURST, YAZOO CITY,
MEADVILLE, DURANT, QUITMAN, CARTHAGE, TCHULA, BELZONI, FAYETTE,
LAUREL, DERMOTT, MACON, HEIDELBERG, COLUMBUS, ANGUILLA, BROOKHAVEN,
COLUMBIA, FOREST, EUPORA, ISOLA, ACKERMAN, ROLLING FORK, MAYERSVILLE,
GREENVILLE, MOUNT OLIVE, BAY SPRINGS, ROXIE, MERIDIAN, RICHLAND,
LUMBERTON, CANTON, LAKE VILLAGE, VIDALIA, KOSCIUSKO, MATHISTON,
INDIANOLA, BRANDON, MONTICELLO, HATTIESBURG, DE KALB, GRENADA,
GREENWOOD, BUDE, PICKENS, EPPS,
PORT GIBSON, CRYSTAL SPRINGS, WINONA, SCOOBA, ST. JOSEPH,
CLEVELAND, LOUISVILLE, STONEWALL, WEIR, WEST FERRIDAY, RALEIGH, WEST
HATTIESBURG, MORTON, WEST POINT, VAIDEN, MADISON, BROOKSVILLE, PEARL
RIVER, EUDORA, OAK GROVE, FERRIDAY, SHUBUTA, NEWELLTON, RIDGELAND,
UNION, AND MENDENHALL
746 PM CDT SUN AUG 16 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES IN EXCESS
OF 110 DEGREES AND PEAKING AROUND 115 DEGREES.
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA.
* WHEN...UNTIL 8 PM CDT MONDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO
RANGE FROM THE MID TO UPPER 70S THROUGH THE SAME TIME FRAME.
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.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
ARZ074-LAZ007-015-023-024-171100-
/O.CON.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
ASHLEY-MOREHOUSE-RICHLAND-FRANKLIN LA-CATAHOULA-
INCLUDING THE CITIES OF BASTROP, DELHI, HAMBURG, WEST CROSSETT,
RAYVILLE, CROSSETT, JONESVILLE, HARRISONBURG, NORTH CROSSETT, AND
WINNSBORO
746 PM CDT SUN AUG 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY
* WHAT...HEAT INDEX VALUES UP TO 110 DEGREES.
* WHERE...PORTIONS OF WEST, CENTRAL, NORTH AND SOUTH MISSISSIPPI,
SOUTHEAST ARKANSAS, AND NORTHEAST LOUISIANA.
* WHEN...UNTIL 8 PM CDT MONDAY.
* IMPACTS...HIGH TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
RELATED ILLNESSES.
* ADDITIONAL DETAILS...TEMPERATURES AT NIGHT WILL NOT BRING MUCH
RELIEF AS THEY STRUGGLE TO FALL BELOW 80 IN SOME CASES. THE THREAT
FOR DANGEROUS HEAT WILL CONTINUE INTO NEXT WEEK.
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.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
DC
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