337 WWUS74 KJAN 111716 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 1216 PM CDT Tue Aug 11 2026 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025-034>036-040>043-047-048-053-054-059>062-120130- /O.NEW.KJAN.HT.Y.0019.260812T1600Z-260813T0100Z/ /O.CON.KJAN.HT.Y.0018.000000T0000Z-260812T0100Z/ Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar- Sunflower-Leflore-Washington-Humphreys-Holmes-Issaquena-Sharkey- Yazoo-Madison MS-Warren-Hinds-Claiborne-Copiah-Jefferson-Adams- Franklin MS-Lincoln- Including the cities of Eudora, Greenwood, Greenville, Goodman, Ferriday, Bastrop, Winnsboro, Hazlehurst, Rayville, Natchez, Indianola, Yazoo City, Fayette, Lexington, Belzoni, Waterproof, Pickens, Rolling Fork, North Crossett, Harrisonburg, Anguilla, Crystal Springs, Durant, Hamburg, Newellton, Ridgeland, Dermott, Vidalia, Tchula, Mayersville, Jonesville, Lake Providence, Isola, St. Joseph, Epps, Vicksburg, Delhi, Ruleville, Wesson, Lake Village, Tallulah, Port Gibson, Brookhaven, Meadville, Jackson, West Crossett, Bude, Cleveland, Crossett, Madison, Oak Grove, West Ferriday, Canton, and Roxie 1216 PM CDT Tue Aug 11 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, northwest, south central, southwest, and west central Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses. * ADDITIONAL DETAILS...The threat for dangerous heat will continue into later this week. 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. && $$ MSZ026>033-037>039-044>046-049>052-055>058-063>066-072>074-120130- /O.NEW.KJAN.HT.Y.0019.260812T1600Z-260813T0100Z/ Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Attala-Winston-Noxubee-Leake-Neshoba-Kemper-Rankin-Scott-Newton- Lauderdale-Simpson-Smith-Jasper-Clarke-Lawrence-Jefferson Davis- Covington-Jones-Marion-Lamar-Forrest- Including the cities of Brooksville, Raleigh, Columbus, Lumberton, Starkville, Pearl, Mathiston, Bay Springs, Scooba, Mendenhall, Decatur, Magee, Meridian, Stonewall, Columbia, West Hattiesburg, Brandon, Ackerman, New Hebron, Bassfield, Purvis, North Carrollton, Grenada, West Point, Louisville, Macon, Vaiden, Collins, Weir, Laurel, Monticello, Kosciusko, Pearl River, Mount Olive, Forest, Taylorsville, Hattiesburg, Richland, Philadelphia, Union, Conehatta, Quitman, Morton, Prentiss, Carrollton, De Kalb, Newton, Eupora, Carthage, Heidelberg, Winona, and Shubuta 1216 PM CDT Tue Aug 11 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT WEDNESDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Portions of central, east central, north central, northeast, south central, and southeast Mississippi. * WHEN...From 11 AM to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ EC