549 WWUS74 KJAN 100929 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 429 AM CDT Mon Aug 10 2026 MSZ036-042-043-048-054-062-101800- /O.EXA.KJAN.HT.Y.0017.260810T1600Z-260811T0100Z/ Holmes-Yazoo-Madison MS-Hinds-Copiah-Lincoln- Including the cities of Ridgeland, Jackson, Tchula, Madison, Crystal Springs, Hazlehurst, Durant, Wesson, Lexington, Yazoo City, Brookhaven, Pickens, Canton, and Goodman 429 AM CDT Mon Aug 10 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Copiah, Hinds, Holmes, Madison MS, Yazoo, and Lincoln Counties. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat 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. 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. Monitor the latest forecasts and warnings for updates. && $$ ARZ075-LAZ008-009-016-024>026-MSZ018-019-025-034-035-040-041-047-053-059>061-101800- /O.CON.KJAN.HT.Y.0017.260810T1600Z-260811T0100Z/ Chicot-West Carroll-East Carroll-Madison LA-Catahoula-Tensas- Concordia-Bolivar-Sunflower-Leflore-Washington-Humphreys-Issaquena- Sharkey-Warren-Claiborne-Jefferson-Adams-Franklin MS- Including the cities of Isola, Anguilla, Tallulah, Cleveland, Dermott, Waterproof, Natchez, Lake Village, Jonesville, Eudora, Vidalia, Greenville, Bude, Roxie, Ruleville, Belzoni, Mayersville, St. Joseph, Vicksburg, West Ferriday, Indianola, Fayette, Newellton, Lake Providence, Oak Grove, Rolling Fork, Greenwood, Harrisonburg, Port Gibson, Meadville, Epps, and Ferriday 429 AM CDT Mon Aug 10 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, northwest, southwest, and west central Mississippi. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The threat for dangerous heat will continue into later this week. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ NF