742 WWUS74 KJAN 170137 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 837 PM CDT Sun Aug 16 2026 ARZ075-LAZ008-009-016-025-026-MSZ018-019-025>066-072>074-171100- /O.CON.KJAN.XH.W.0007.000000T0000Z-260818T0100Z/ Chicot-West Carroll-East Carroll-Madison LA-Tensas-Concordia- Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay- Lowndes-Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-Winston- Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper- Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah-Simpson- Smith-Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln-Lawrence- Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest- Including the cities of Magee, Lexington, Natchez, Conehatta, Prentiss, Bassfield, New Hebron, Decatur, Pearl, Starkville, Carrollton, Vicksburg, Lake Providence, Wesson, Taylorsville, Goodman, Waterproof, Collins, Tallulah, Newton, North Carrollton, Jackson, Purvis, Ruleville, Philadelphia, Hazlehurst, Yazoo City, Meadville, Durant, Quitman, Carthage, Tchula, Belzoni, Fayette, Laurel, Dermott, Macon, Heidelberg, Columbus, Anguilla, Brookhaven, Columbia, Forest, Eupora, Isola, Ackerman, Rolling Fork, Mayersville, Greenville, Mount Olive, Bay Springs, Roxie, Meridian, Richland, Lumberton, Canton, Lake Village, Vidalia, Kosciusko, Mathiston, Indianola, Brandon, Monticello, Hattiesburg, De Kalb, Grenada, Greenwood, Bude, Pickens, Epps, Port Gibson, Crystal Springs, Winona, Scooba, St. Joseph, Cleveland, Louisville, Stonewall, Weir, West Ferriday, Raleigh, West Hattiesburg, Morton, West Point, Vaiden, Madison, Brooksville, Pearl River, Eudora, Oak Grove, Ferriday, Shubuta, Newellton, Ridgeland, Union, and Mendenhall 837 PM CDT Sun Aug 16 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY... * WHAT...Dangerously hot conditions with heat index values in excess of 110 degrees and peaking around 115 degrees. * WHERE...Portions of west, central, north and south Mississippi, southeast Arkansas, and northeast Louisiana. * WHEN...Until 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight low temperatures are expected to range from the mid to upper 70s through the same time frame. 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. && $$ ARZ074-LAZ007-015-023-024-171100- /O.CON.KJAN.HT.Y.0019.000000T0000Z-260818T0100Z/ Ashley-Morehouse-Richland-Franklin LA-Catahoula- Including the cities of Bastrop, Delhi, Hamburg, West Crossett, Rayville, Crossett, Jonesville, Harrisonburg, North Crossett, and Winnsboro 837 PM CDT Sun Aug 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY... * WHAT...Heat index values up to 110 degrees. * WHERE...Portions of southeast Arkansas and northeast Louisiana. * WHEN...Until 8 PM CDT Monday. * IMPACTS...High temperatures and high humidity may cause heat related illnesses. * ADDITIONAL DETAILS...Temperatures at night will not bring much relief as they struggle to fall below 80 in some cases. The threat for dangerous heat will continue into next week. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ DC