761
WWUS74 KJAN 161929
NPWJAN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
229 PM CDT SUN AUG 16 2026
MSZ026>033-037>039-044>046-050>052-056>058-065-066-074-170830-
/O.UPG.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
/O.EXA.KJAN.XH.W.0007.000000T0000Z-260818T0100Z/
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-
ATTALA-WINSTON-NOXUBEE-LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-
SMITH-JASPER-CLARKE-COVINGTON-JONES-FORREST-
INCLUDING THE CITIES OF MATHISTON, DECATUR, BAY SPRINGS, SHUBUTA,
VAIDEN, LOUISVILLE, WEST POINT, RALEIGH, DE KALB, CONEHATTA,
TAYLORSVILLE, HEIDELBERG, MORTON, ACKERMAN, WEIR, WINONA, NORTH
CARROLLTON, BROOKSVILLE, GRENADA, STARKVILLE, HATTIESBURG, PEARL
RIVER, STONEWALL, MACON, PHILADELPHIA, KOSCIUSKO, COLLINS, MOUNT
OLIVE, SCOOBA, COLUMBUS, NEWTON, UNION, MERIDIAN, LAUREL, CARTHAGE,
CARROLLTON, QUITMAN, FOREST, AND EUPORA
229 PM CDT SUN AUG 16 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT MONDAY
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 111.
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, NORTH CENTRAL,
NORTHEAST, AND SOUTHEAST MISSISSIPPI.
* WHEN...UNTIL 8 PM CDT MONDAY.
* 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.
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.
ARZ075-LAZ008-009-016-025-026-MSZ018-019-025-034>036-040>043-047>049-
053>055-059>064-072-073-170830-
/O.CON.KJAN.XH.W.0007.000000T0000Z-260818T0100Z/
CHICOT-WEST CARROLL-EAST CARROLL-MADISON LA-TENSAS-CONCORDIA-
BOLIVAR-SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-HOLMES-ISSAQUENA-
SHARKEY-YAZOO-MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-
SIMPSON-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-
MARION-LAMAR-
INCLUDING THE CITIES OF ANGUILLA, RIDGELAND, BASSFIELD, DURANT,
HAZLEHURST, PRENTISS, BUDE, GREENWOOD, WESSON, CANTON, MENDENHALL,
PURVIS, MADISON, WEST HATTIESBURG, LUMBERTON, PEARL, EPPS, LAKE
VILLAGE, BROOKHAVEN, OAK GROVE, ISOLA, INDIANOLA, NATCHEZ, NEW
HEBRON, GOODMAN, JACKSON, WATERPROOF, WEST FERRIDAY, COLUMBIA,
TCHULA, BRANDON, CRYSTAL SPRINGS, EUDORA, LEXINGTON, FAYETTE,
VIDALIA, YAZOO CITY, MONTICELLO, NEWELLTON, PORT GIBSON, TALLULAH,
MEADVILLE, ROLLING FORK, BELZONI, ROXIE, MAGEE, PICKENS, LAKE
PROVIDENCE, FERRIDAY, MAYERSVILLE, VICKSBURG,
RICHLAND, DERMOTT, RULEVILLE, ST. JOSEPH, GREENVILLE, AND
CLEVELAND
229 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 UP TO 113.
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND
CENTRAL, NORTH CENTRAL, NORTHWEST, SOUTH CENTRAL, SOUTHEAST,
SOUTHWEST, AND WEST CENTRAL MISSISSIPPI.
* WHEN...UNTIL 8 PM CDT MONDAY.
* 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.
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-LAZ007-015-023-024-170830-
/O.CON.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
ASHLEY-MOREHOUSE-RICHLAND-FRANKLIN LA-CATAHOULA-
INCLUDING THE CITIES OF CROSSETT, BASTROP, JONESVILLE, NORTH
CROSSETT, DELHI, RAYVILLE, WINNSBORO, HARRISONBURG, HAMBURG, AND WEST
CROSSETT
229 PM CDT SUN AUG 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY
* WHAT...HEAT INDEX VALUES UP TO 110.
* WHERE...IN ARKANSAS, ASHLEY COUNTY. IN LOUISIANA, CATAHOULA,
FRANKLIN LA, MOREHOUSE, AND RICHLAND COUNTIES.
* WHEN...UNTIL 8 PM CDT MONDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
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.
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.
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