316
WWUS74 KJAN 170746
NPWJAN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
246 AM CDT MON AUG 17 2026
ARZ075-LAZ008-009-016-025-026-MSZ018-019-025>066-072>074-171600-
/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 CARTHAGE, SHUBUTA, EUDORA, MEADVILLE,
MENDENHALL, VIDALIA, BRANDON, JACKSON, VAIDEN, CLEVELAND, ROLLING
FORK, BELZONI, GREENVILLE, NEWTON, HEIDELBERG, HAZLEHURST, BAY
SPRINGS, LUMBERTON, MACON, MOUNT OLIVE, RALEIGH, CONEHATTA,
RIDGELAND, MONTICELLO, OAK GROVE, PORT GIBSON, RICHLAND, STONEWALL,
MATHISTON, ROXIE, PHILADELPHIA, STARKVILLE, WEST POINT, VICKSBURG,
COLLINS, LOUISVILLE, LAKE PROVIDENCE, MAYERSVILLE, BROOKSVILLE,
COLUMBIA, LEXINGTON, MAGEE, TALLULAH, CARROLLTON, DECATUR, COLUMBUS,
DE KALB, UNION, WINONA, ISOLA, CANTON, PURVIS, QUITMAN, PEARL RIVER,
NEWELLTON, RULEVILLE,
NATCHEZ, BUDE, ST. JOSEPH, ANGUILLA, INDIANOLA, GRENADA,
MERIDIAN, HATTIESBURG, PRENTISS, NEW HEBRON, KOSCIUSKO, EUPORA,
DERMOTT, NORTH CARROLLTON, PEARL, TAYLORSVILLE, GOODMAN, WEIR,
SCOOBA, BASSFIELD, GREENWOOD, WATERPROOF, FAYETTE, ACKERMAN, CRYSTAL
SPRINGS, MORTON, PICKENS, DURANT, TCHULA, WESSON, EPPS, WEST
FERRIDAY, WEST HATTIESBURG, FERRIDAY, LAUREL, YAZOO CITY, MADISON,
LAKE VILLAGE, BROOKHAVEN, AND FOREST
246 AM CDT MON AUG 17 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES IN EXCESS
OF 110 DEGREES AND PEAKING AROUND 115 DEGREES.
* WHERE...PORTIONS OF WEST, CENTRAL, NORTH AND SOUTH MISSISSIPPI,
SOUTHEAST ARKANSAS, AND NORTHEAST LOUISIANA.
* WHEN...UNTIL 8 PM CDT THIS EVENING.
* 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-LAZ007-015-023-024-171600-
/O.CON.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/
ASHLEY-MOREHOUSE-RICHLAND-FRANKLIN LA-CATAHOULA-
INCLUDING THE CITIES OF DELHI, CROSSETT, JONESVILLE, BASTROP,
RAYVILLE, HARRISONBURG, WEST CROSSETT, NORTH CROSSETT, WINNSBORO, AND
HAMBURG
246 AM CDT MON AUG 17 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...HEAT INDEX VALUES UP TO 110 DEGREES.
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA.
* WHEN...UNTIL 8 PM CDT THIS EVENING.
* IMPACTS...HIGH 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.
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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