340
WWUS74 KJAN 160715
NPWJAN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
215 AM CDT SUN AUG 16 2026
ARZ075-LAZ008-009-016-025-026-MSZ018-019-025-034>036-040>043-047>049-
053>055-059>064-072-073-161515-
/O.UPG.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
/O.NEW.KJAN.XH.W.0007.260816T0715Z-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 NEW HEBRON, PORT GIBSON, ST. JOSEPH, OAK
GROVE, INDIANOLA, CANTON, WATERPROOF, HAZLEHURST, JACKSON, EUDORA,
BASSFIELD, CRYSTAL SPRINGS, MAYERSVILLE, BRANDON, BELZONI, WEST
HATTIESBURG, GOODMAN, RICHLAND, RULEVILLE, DURANT, ROLLING FORK,
LUMBERTON, MAGEE, PEARL, MEADVILLE, MONTICELLO, LAKE PROVIDENCE,
FAYETTE, NEWELLTON, COLUMBIA, ANGUILLA, CLEVELAND, DERMOTT,
BROOKHAVEN, MADISON, LAKE VILLAGE, ISOLA, FERRIDAY, RIDGELAND,
TCHULA, BUDE, NATCHEZ, TALLULAH, LEXINGTON, MENDENHALL, PURVIS, YAZOO
CITY, EPPS, ROXIE, GREENVILLE, PICKENS, PRENTISS, VICKSBURG,
GREENWOOD, WEST FERRIDAY, VIDALIA, AND WESSON
215 AM 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 115.
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND
MUCH OF MISSISSIPPI.
* WHEN...UNTIL 8 PM CDT MONDAY.
* IMPACTS...HIGH TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
RELATED ILLNESSES.
* 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-MSZ026>033-037>039-044>046-050>052-056>058-
065-066-074-161515-
/O.CON.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
ASHLEY-MOREHOUSE-RICHLAND-FRANKLIN LA-CATAHOULA-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 SCOOBA, CONEHATTA, HATTIESBURG, BAY SPRINGS,
WEST POINT, HARRISONBURG, HAMBURG, CROSSETT, DELHI, JONESVILLE,
GRENADA, DE KALB, NEWTON, HEIDELBERG, LOUISVILLE, COLUMBUS,
MATHISTON, COLLINS, BROOKSVILLE, MORTON, FOREST, RAYVILLE, WINNSBORO,
BASTROP, MACON, NORTH CROSSETT, UNION, WINONA, EUPORA, WEIR, LAUREL,
VAIDEN, RALEIGH, ACKERMAN, WEST CROSSETT, CARTHAGE, QUITMAN,
CARROLLTON, DECATUR, MOUNT OLIVE, STARKVILLE, NORTH CARROLLTON,
PHILADELPHIA, SHUBUTA, STONEWALL, PEARL RIVER, KOSCIUSKO, MERIDIAN,
AND TAYLORSVILLE
215 AM CDT SUN AUG 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY
* WHAT...HEAT INDEX VALUES UP TO 110.
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND
MUCH OF MISSISSIPPI.
* WHEN...UNTIL 8 PM CDT MONDAY.
* IMPACTS...HIGH TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
RELATED ILLNESSES.
* 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.
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.
EC
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