666
WWUS74 KJAN 200741
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
241 AM CDT Wed Aug 20 2025

LAZ016-025-MSZ018-019-025-027-034>036-040>043-047-048-053-054-201545-
/O.UPG.KJAN.HT.Y.0027.250820T1500Z-250821T0100Z/
/O.NEW.KJAN.XH.W.0008.250820T1500Z-250821T0100Z/
Madison LA-Tensas-Bolivar-Sunflower-Leflore-Carroll-Washington-
Humphreys-Holmes-Issaquena-Sharkey-Yazoo-Madison MS-Warren-Hinds-
Claiborne-Copiah-
Including the cities of Madison, Belzoni, Isola, Vaiden,
Waterproof, Tchula, Anguilla, Greenwood, Rolling Fork, Canton,
Vicksburg, Ridgeland, Hazlehurst, Durant, Newellton, North
Carrollton, Greenville, St. Joseph, Yazoo City, Carrollton,
Tallulah, Lexington, Indianola, Jackson, Goodman, Wesson,
Pickens, Crystal Springs, Cleveland, Ruleville, Mayersville, and
Port Gibson
241 AM CDT Wed Aug 20 2025

...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
CDT THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 115
  expected.

* WHERE...Portions of northeast Louisiana and western portions of
  central Mississippi.

* WHEN...From 10 AM this morning to 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.

&&

$$

MSZ044-050-056-201545-
/O.EXA.KJAN.HT.Y.0027.250820T1500Z-250821T0100Z/
Leake-Scott-Smith-
Including the cities of Raleigh, Morton, Carthage, Taylorsville,
and Forest
241 AM CDT Wed Aug 20 2025

...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CDT THIS
EVENING...

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

* WHERE...Leake, Scott, and Smith counties in Mississippi.

* WHEN...From 10 AM this morning to 8 PM CDT this evening.

* IMPACTS...Hot 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.

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.

&&

$$

ARZ074-075-LAZ007>009-015-023-024-026-MSZ026-028>033-037-049-055-
059>066-072>074-201545-
/O.CON.KJAN.HT.Y.0027.250820T1500Z-250821T0100Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Franklin LA-Catahoula-Concordia-Grenada-Montgomery-Webster-Clay-
Lowndes-Choctaw-Oktibbeha-Attala-Rankin-Simpson-Jefferson-Adams-
Franklin MS-Lincoln-Lawrence-Jefferson Davis-Covington-Jones-
Marion-Lamar-Forrest-
Including the cities of Natchez, Crossett, Pearl, Richland,
Vidalia, West Ferriday, Rayville, Bude, Monticello, Columbus,
Roxie, Bastrop, Winnsboro, Meadville, Lake Village, Brookhaven,
Purvis, West Crossett, Eupora, Ackerman, Jonesville, Hamburg, New
Hebron, Winona, Starkville, North Crossett, Lake Providence,
Epps, Weir, Eudora, Magee, Ferriday, Kosciusko, West Hattiesburg,
Columbia, Lumberton, Grenada, Bassfield, Collins, Mendenhall,
Fayette, Brandon, Prentiss, Delhi, West Point, Harrisonburg,
Mathiston, Dermott, Oak Grove, Hattiesburg, Laurel, and Mount
Olive
241 AM CDT Wed Aug 20 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
CDT THIS EVENING...

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

* WHERE...Portions of southeast Arkansas, northeast Louisiana, and
  central and south Mississippi.

* WHEN...From 10 AM this morning to 8 PM CDT this evening.

* IMPACTS...Hot 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.

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.

&&

$$

DL