466 WWUS74 KJAN 200109 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 809 PM CDT Sun Jul 19 2026 ARZ075-MSZ018-019-025-034-035-201315- /O.CON.KJAN.XH.W.0002.260720T1500Z-260721T0200Z/ /O.CON.KJAN.HT.Y.0008.000000T0000Z-260720T0200Z/ Chicot-Bolivar-Sunflower-Leflore-Washington-Humphreys- Including the cities of Ruleville, Greenville, Dermott, Eudora, Cleveland, Isola, Indianola, Belzoni, Greenwood, and Lake Village 809 PM CDT Sun Jul 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM CDT MONDAY... * WHAT...For the Heat Advisory, heat index values in excess of 105F degrees expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values in excess of 110F degrees expected. * WHERE...Portions of southeast Arkansas and central, north central, and northwest Mississippi. * WHEN...For the Heat Advisory, until 9 PM CDT this evening. For the Extreme Heat Warning, from 10 AM to 9 PM CDT Monday. * 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. Stay cool, stay hydrated, stay informed. && $$ ARZ074-LAZ007-015-023-MSZ026>033-037>039-044>046-051-052-201315- /O.CON.KJAN.HT.Y.0008.000000T0000Z-260720T0200Z/ /O.CON.KJAN.HT.Y.0009.260720T1500Z-260721T0200Z/ Ashley-Morehouse-Richland-Franklin LA-Grenada-Carroll-Montgomery- Webster-Clay-Lowndes-Choctaw-Oktibbeha-Attala-Winston-Noxubee- Leake-Neshoba-Kemper-Newton-Lauderdale- Including the cities of Newton, Pearl River, Grenada, Crossett, Delhi, Meridian, Macon, Bastrop, Vaiden, Mathiston, Philadelphia, Kosciusko, Rayville, Winona, Conehatta, De Kalb, Starkville, Winnsboro, Carrollton, Union, Hamburg, West Crossett, Eupora, Weir, North Carrollton, Scooba, West Point, Brooksville, Louisville, Carthage, Columbus, Ackerman, North Crossett, and Decatur 809 PM CDT Sun Jul 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM CDT MONDAY... * WHAT...For both Heat Advisories, heat index values in excess of 105F degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, and northeast Mississippi. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from 10 AM to 9 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ LAZ008-009-016-024>026-MSZ036-040>043-047>050-053>066-072>074-201315- /O.CON.KJAN.HT.Y.0008.000000T0000Z-260720T0200Z/ /O.CON.KJAN.HT.Y.0010.260720T1500Z-260721T0200Z/ West Carroll-East Carroll-Madison LA-Catahoula-Tensas-Concordia- Holmes-Issaquena-Sharkey-Yazoo-Madison MS-Warren-Hinds-Rankin- Scott-Claiborne-Copiah-Simpson-Smith-Jasper-Clarke-Jefferson- Adams-Franklin MS-Lincoln-Lawrence-Jefferson Davis-Covington- Jones-Marion-Lamar-Forrest- Including the cities of Goodman, Quitman, Mayersville, Raleigh, New Hebron, Richland, Canton, Port Gibson, Brookhaven, Ridgeland, Lumberton, Lexington, Durant, Jackson, Stonewall, Meadville, Prentiss, Pickens, Jonesville, Purvis, Brandon, Bassfield, Natchez, Vicksburg, Bude, Collins, Tallulah, Crystal Springs, Heidelberg, Roxie, Morton, Epps, Oak Grove, Hazlehurst, Fayette, Forest, Lake Providence, Newellton, Tchula, Waterproof, West Ferriday, Wesson, Monticello, Pearl, Taylorsville, Shubuta, Laurel, West Hattiesburg, Columbia, Hattiesburg, Ferriday, St. Joseph, Madison, Yazoo City, Mendenhall, Bay Springs, Rolling Fork, Anguilla, Magee, Harrisonburg, Vidalia, and Mount Olive 809 PM CDT Sun Jul 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM CDT MONDAY... * WHAT...For both Heat Advisories, heat index values in excess of 105F degrees expected. * WHERE...Portions of northeast Louisiana and central, east central, south central, southeast, southwest, and west central 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 Monday. * 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. 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. && $$ KP