WWUS74 KJAN 220005 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 705 PM CDT Fri Aug 21 2026 LAZ007>009-015-016-023>026-MSZ040>043-047>049-053>055-059>064-072- 221100- /O.CON.KJAN.XH.W.0009.000000T0000Z-260822T0100Z/ /O.CON.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/ Morehouse-West Carroll-East Carroll-Richland-Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Issaquena-Sharkey-Yazoo-Madison MS- Warren-Hinds-Rankin-Claiborne-Copiah-Simpson-Jefferson-Adams- Franklin MS-Lincoln-Lawrence-Jefferson Davis-Marion- Including the cities of Rayville, Madison, Jonesville, Natchez, Vicksburg, Mayersville, St. Joseph, Tallulah, Pearl, Anguilla, Crystal Springs, Columbia, Prentiss, Jackson, Canton, Oak Grove, Harrisonburg, Waterproof, Fayette, Magee, Epps, West Ferriday, Bastrop, New Hebron, Bude, Meadville, Brookhaven, Winnsboro, Hazlehurst, Bassfield, Monticello, Lake Providence, Roxie, Rolling Fork, Newellton, Delhi, Richland, Yazoo City, Mendenhall, Ferriday, Wesson, Brandon, Ridgeland, Port Gibson, and Vidalia 705 PM CDT Fri Aug 21 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 degrees. For the Heat Advisory, heat index values up to 110 degrees expected. * WHERE...Portions of northeast Louisiana and central, south central, southwest, and west central Mississippi. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CDT Saturday. * 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. 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. && $$ ARZ074-075-MSZ018-019-025-034>036-221100- /O.CON.KJAN.HT.Y.0023.000000T0000Z-260822T0100Z/ /O.CON.KJAN.HT.Y.0024.260822T1600Z-260823T0100Z/ Ashley-Chicot-Bolivar-Sunflower-Leflore-Washington-Humphreys-Holmes- Including the cities of Lake Village, Durant, Pickens, Ruleville, Cleveland, North Crossett, Tchula, West Crossett, Hamburg, Goodman, Greenwood, Indianola, Crossett, Dermott, Greenville, Isola, Eudora, Lexington, and Belzoni 705 PM CDT Fri Aug 21 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT SATURDAY... * WHAT...Heat index values of up to 110 degrees expected. * WHERE...In Arkansas, Ashley and Chicot Counties. In Mississippi, Holmes, Humphreys, Leflore, Bolivar, Sunflower, and Washington Counties. * WHEN...For the Heat Advisory today, until 8 PM CDT this evening. For the second Heat Advisory Saturday, from 11 AM to 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ MSZ026>033-037>039-044>046-050>052-056>058-065-066-073-074-220115- /O.CON.KJAN.HT.Y.0023.000000T0000Z-260822T0100Z/ Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Attala-Winston-Noxubee-Leake-Neshoba-Kemper-Scott-Newton-Lauderdale- Smith-Jasper-Clarke-Covington-Jones-Lamar-Forrest- Including the cities of Heidelberg, Taylorsville, Kosciusko, West Point, Laurel, Lumberton, De Kalb, Carrollton, Mount Olive, Louisville, Decatur, Philadelphia, Ackerman, West Hattiesburg, Winona, Starkville, Columbus, Bay Springs, Grenada, Quitman, Stonewall, Collins, Newton, Shubuta, Scooba, Pearl River, Weir, Morton, Conehatta, Carthage, Vaiden, Meridian, Brooksville, Hattiesburg, Macon, Union, Raleigh, Mathiston, Forest, North Carrollton, Eupora, and Purvis 705 PM CDT Fri Aug 21 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 110 degrees. * WHERE...Portions of central and east to northeast Mississippi. * WHEN...Until 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. 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. && $$ DC