508 WWUS74 KJAN 281900 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 200 PM CDT Tue Jul 28 2026 MSZ018-019-025>027-034>036-040>043-047>049-053>055-059-290300- /O.NEW.KJAN.XH.W.0006.260729T1500Z-260730T0200Z/ /O.CON.KJAN.XH.W.0005.000000T0000Z-260729T0200Z/ Bolivar-Sunflower-Leflore-Grenada-Carroll-Washington-Humphreys- Holmes-Issaquena-Sharkey-Yazoo-Madison MS-Warren-Hinds-Rankin- Claiborne-Copiah-Simpson-Jefferson- Including the cities of Vicksburg, Pearl, Anguilla, Wesson, Magee, Belzoni, Fayette, Greenwood, Rolling Fork, Port Gibson, Durant, Greenville, Isola, Crystal Springs, Indianola, Vaiden, North Carrollton, Pickens, Jackson, Cleveland, Grenada, Brandon, Goodman, Mendenhall, Richland, Ruleville, Carrollton, Madison, Yazoo City, Ridgeland, Hazlehurst, Mayersville, Tchula, Lexington, and Canton 200 PM CDT Tue Jul 28 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT WEDNESDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...For both warnings, dangerously hot conditions with heat index values up to 115. * WHERE...Portions of central, north central, northwest, southwest, and west central Mississippi. * WHEN...For the first Extreme Heat Warning, until 9 PM CDT this evening. For the second Extreme Heat Warning, from 10 AM to 9 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. && $$ ARZ074-075-LAZ007>009-015-016-023>026-MSZ028>033-037>039-044>046-050>052-056>058-060>066-072>074-290300- /O.NEW.KJAN.HT.Y.0014.260729T1500Z-260730T0200Z/ /O.CON.KJAN.HT.Y.0013.000000T0000Z-260729T0200Z/ Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Montgomery- Webster-Clay-Lowndes-Choctaw-Oktibbeha-Attala-Winston-Noxubee-Leake- Neshoba-Kemper-Scott-Newton-Lauderdale-Smith-Jasper-Clarke-Adams- Franklin MS-Lincoln-Lawrence-Jefferson Davis-Covington-Jones-Marion- Lamar-Forrest- Including the cities of Collins, Winnsboro, Forest, Bassfield, Louisville, Dermott, Columbus, Newton, Natchez, Jonesville, Columbia, Lumberton, Taylorsville, Newellton, Bude, Hattiesburg, St. Joseph, Hamburg, Ackerman, Union, Pearl River, Winona, Purvis, Monticello, Crossett, Waterproof, Carthage, Mount Olive, West Crossett, Eupora, Brooksville, De Kalb, Raleigh, Weir, Scooba, Delhi, Starkville, Eudora, North Crossett, Lake Village, Bay Springs, Decatur, Ferriday, Meridian, New Hebron, Bastrop, West Ferriday, Kosciusko, Laurel, Lake Providence, Harrisonburg, Vidalia, Philadelphia, Brookhaven, Tallulah, Stonewall, West Hattiesburg, West Point, Rayville, Conehatta, Heidelberg, Oak Grove, Quitman, Epps, Macon, Roxie, Prentiss, Mathiston, Morton, Shubuta, and Meadville 200 PM CDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM TO 9 PM CDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...For both advisories, heat index values up to 110 expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northeast, south central, southeast, and southwest Mississippi. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from 10 AM to 9 PM CDT Wednesday. * 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. Monitor the latest forecasts and warnings for updates. && $$