619
WWUS74 KMEG 190049
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
749 PM CDT Tue Aug 18 2026

ARZ049-058-MSZ007-010-011-020-190900-
/O.EXP.KMEG.HT.Y.0020.000000T0000Z-260819T0100Z/
/O.CON.KMEG.XH.W.0006.260819T1600Z-260820T0100Z/
Lee AR-Phillips-Tunica-Coahoma-Quitman-Tallahatchie-
Including the cities of Marks, Helena-West Helena, Clarksdale,
Charleston, Marianna, and Tunica
749 PM CDT Tue Aug 18 2026

...HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 112
  degrees expected.

* WHERE...In Arkansas, Lee AR and Phillips Counties. In Mississippi,
  Coahoma, Quitman, Tallahatchie, and Tunica Counties.

* WHEN...From 11 AM to 8 PM CDT Wednesday.

* 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.

&&

$$

MSZ012-021>024-190900-
/O.EXP.KMEG.HT.Y.0020.000000T0000Z-260819T0100Z/
/O.CON.KMEG.HT.Y.0021.260819T1600Z-260820T0100Z/
Panola-Yalobusha-Calhoun-Chickasaw-Monroe-
Including the cities of Okolona, Amory, Aberdeen, Houston,
Coffeeville, Calhoun City, Batesville, Water Valley, and Bruce
749 PM CDT Tue Aug 18 2026

...HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...

* WHAT...Heat index values up to 109 degrees expected.

* WHERE...Calhoun, Chickasaw, Monroe, Panola, and Yalobusha Counties.

* WHEN...From 11 AM to 8 PM CDT Wednesday.

* 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.

&&

$$

ARZ026>028-035-036-048-MSZ001>005-008-009-013>017-TNZ048>053-088>091-
190900-
/O.CON.KMEG.HT.Y.0021.260819T1600Z-260820T0100Z/
Craighead-Poinsett-Mississippi-Cross-Crittenden-St. Francis-
DeSoto-Marshall-Benton MS-Tippah-Alcorn-Tate-Prentiss-Lafayette-
Union-Pontotoc-Lee MS-Itawamba-Lauderdale-Tipton-Haywood-Crockett-
Madison-Chester-Shelby-Fayette-Hardeman-McNairy-
Including the cities of Germantown, Senatobia, Brownsville, Oxford,
Corinth, Collierville, Harrisburg, Ripley MS, Oakland, Alamo, Wynne,
Jonesboro, Millington, West Memphis, Covington, Tupelo, Holly
Springs, Ashland, Southaven, Somerville, Bartlett, Fulton, Henderson,
Selmer, Blytheville, Bolivar, Memphis, Forrest City, Jackson,
Pontotoc, Ripley TN, Olive Branch, Booneville, and New Albany
749 PM CDT Tue Aug 18 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...

* WHAT...Heat index values up to 110 degrees expected.

* WHERE...Portions of East Arkansas, North Mississippi, and West
  Tennessee.

* WHEN...From 11 AM to 8 PM CDT Wednesday.

* 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.

&&

$$

CJC