431
WWUS74 KMEG 201736
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
1236 PM CDT Thu Aug 20 2026

MSZ021>024-210145-
/O.EXA.KMEG.HT.Y.0024.260821T1600Z-260822T0100Z/
/O.CON.KMEG.HT.Y.0023.000000T0000Z-260821T0100Z/
Yalobusha-Calhoun-Chickasaw-Monroe-
Including the cities of Calhoun City, Coffeeville, Amory, Water
Valley, Okolona, Houston, Aberdeen, and Bruce
1236 PM CDT Thu Aug 20 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT FRIDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...For the first Heat Advisory, heat index values up to 109.
  For the second Heat Advisory, heat index values up to 106 expected.

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

* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
  For the second Heat Advisory, from 11 AM to 8 PM CDT Friday.

* 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.

&&

$$

ARZ049-058-MSZ007-010-011-020-210145-
/O.CON.KMEG.HT.Y.0023.000000T0000Z-260821T0100Z/
/O.CON.KMEG.HT.Y.0024.260821T1600Z-260822T0100Z/
Lee AR-Phillips-Tunica-Coahoma-Quitman-Tallahatchie-
Including the cities of Tunica, Helena-West Helena, Marks,
Marianna, Clarksdale, and Charleston
1236 PM CDT Thu Aug 20 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT FRIDAY...

* WHAT...For the first Heat Advisory, heat index values up to 109.
  For the second Heat Advisory, heat index values up to 110 expected.

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

* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
  For the second Heat Advisory, from 11 AM to 8 PM CDT Friday.

* 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.

&&

$$

ARZ048-MSZ008-012>017-210100-
/O.CON.KMEG.HT.Y.0023.000000T0000Z-260821T0100Z/
St. Francis-Tate-Panola-Lafayette-Union-Pontotoc-Lee MS-Itawamba-
Including the cities of Forrest City, Senatobia, Pontotoc,
Batesville, Oxford, New Albany, Tupelo, and Fulton
1236 PM CDT Thu Aug 20 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Heat index values up to 107.

* WHERE...In Arkansas, St. Francis County. In Mississippi, Itawamba,
  Lafayette, Lee MS, Panola, Pontotoc, Tate, and Union Counties.

* WHEN...Until 8 PM CDT this evening.

* 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.

&&

$$

DNM