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Extreme Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
128 AM CDT Tue Jul 22 2025

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025-034-035-040>043-
047-048-053-054-059-060-221600-
/O.NEW.KJAN.XH.W.0004.250723T1500Z-250724T0100Z/
/O.CON.KJAN.XH.W.0003.250722T1500Z-250723T0100Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Leflore-Washington-Humphreys-Issaquena-Sharkey-Yazoo-
Madison MS-Warren-Hinds-Claiborne-Copiah-Jefferson-Adams-
Including the cities of Bastrop, Crystal Springs, Crossett,
Mayersville, Canton, Eudora, Port Gibson, Madison, Lake
Providence, Lake Village, Epps, Oak Grove, West Crossett,
Newellton, Vicksburg, Ruleville, Fayette, Winnsboro, Hamburg,
North Crossett, Anguilla, Waterproof, Greenville, Vidalia, Yazoo
City, Cleveland, Harrisonburg, Jonesville, Rayville, Greenwood,
Belzoni, Jackson, Ferriday, Isola, West Ferriday, Hazlehurst,
Delhi, Wesson, Natchez, Rolling Fork, Dermott, Ridgeland, St.
Joseph, Indianola, and Tallulah
128 AM CDT Tue Jul 22 2025

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

* WHAT...For the first Extreme Heat Warning, dangerously hot
  conditions with heat index values up to 112 expected. For the
  second Extreme Heat Warning, dangerously hot conditions with heat
  index values up to 112 expected.

* WHERE...Portions of southeast Arkansas, northeast Louisiana, and
  central, north central, northwest, southwest, and west central
  Mississippi.

* WHEN...For the first Extreme Heat Warning, from 10 AM this morning
  to 8 PM CDT this evening. For the second Extreme Heat Warning,
  from 10 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.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
128 AM CDT Tue Jul 22 2025

MSZ026>033-036-038-039-049-055-056-061>066-072>074-221600-
/O.NEW.KJAN.XH.W.0004.250723T1500Z-250724T0100Z/
/O.CON.KJAN.HT.Y.0011.250722T1500Z-250723T0100Z/
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Winston-Noxubee-Rankin-Simpson-Smith-Franklin MS-Lincoln-
Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
Including the cities of Grenada, Goodman, Meadville, Columbus,
Brandon, Mount Olive, Roxie, Tchula, Purvis, Monticello, Eupora,
Mathiston, Weir, Brooksville, Richland, Louisville, Lumberton,
Lexington, Pickens, New Hebron, Taylorsville, Laurel, Bude,
Starkville, Carrollton, Durant, West Hattiesburg, Prentiss,
Bassfield, Vaiden, Winona, Collins, Brookhaven, North Carrollton,
Pearl, Mendenhall, Columbia, West Point, Magee, Macon, Raleigh,
Hattiesburg, and Ackerman
128 AM CDT Tue Jul 22 2025

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

* WHAT...For the Heat Advisory, heat index values up to 108
  expected. For the Extreme Heat Warning, dangerously hot conditions
  with heat index values up to 110 expected.

* WHERE...Portions of central, east central, north central,
  northeast, south central, southeast, and southwest Mississippi.

* WHEN...For the Heat Advisory, from 10 AM this morning to 8 PM CDT
  this evening. For the Extreme Heat Warning, from 10 AM to 8 PM CDT
  Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. 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.

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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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