024 WWUS74 KJAN 230812 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 312 AM CDT Sun Aug 23 2026 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025-034>036-040>043- 047>049-053>066-072>074-231615- /O.CON.KJAN.HT.Y.0025.260823T1600Z-260824T0100Z/ 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-Rankin-Claiborne-Copiah-Simpson-Smith- Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln-Lawrence- Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest- Including the cities of Collins, Durant, Canton, Quitman, Shubuta, Pearl, Crystal Springs, Lumberton, Bassfield, Purvis, Richland, Eudora, Rolling Fork, Magee, Dermott, Tchula, Harrisonburg, West Ferriday, Bude, Waterproof, Heidelberg, Isola, Lake Village, Meadville, West Crossett, Brookhaven, Delhi, Raleigh, Fayette, Bay Springs, Vidalia, Lexington, Brandon, Natchez, Hamburg, Ferriday, Lake Providence, Indianola, Goodman, Tallulah, Roxie, Yazoo City, Bastrop, Prentiss, Rayville, Jonesville, Winnsboro, Belzoni, Hattiesburg, Newellton, Anguilla, New Hebron, Hazlehurst, Ruleville, Jackson, West Hattiesburg, Cleveland, North Crossett, Pickens, Stonewall, Port Gibson, Crossett, Wesson, Ridgeland, Vicksburg, Monticello, Greenville, Greenwood, Oak Grove, St. Joseph, Mayersville, Taylorsville, Epps, Mendenhall, Madison, Columbia, Laurel, and Mount Olive 312 AM CDT Sun Aug 23 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central northwest, southwest, south central 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 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. && $$ 86  547 WWUS75 KVEF 230844 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 144 AM PDT Sun Aug 23 2026 AZZ002-570-571-576-CAZ522-527-NVZ020-025-026-240300- /O.CON.KVEF.XH.W.0004.000000T0000Z-260824T0300Z/ Lake Havasu and Fort Mohave-Lake Mead - AZ side-Lake Mohave - AZ side-Northwest Deserts-Death Valley National Park-San Bernardino County-Upper Colorado River Valley-Las Vegas Valley-Lake Mead - NV side-Lake Mohave - NV side- Including the cities of Bullhead City, South Cove, Boulder City, Henderson, Dolan Springs, Las Vegas, Stovepipe Wells, Topock, North Las Vegas, Golden Valley, Yucca, Shoshone, Temple Bar, Hoover Dam, Needles, Lake Havasu City, Furnace Creek, Kingman, Desert Hills, Wikieup, Laughlin, and Valentine 144 AM PDT Sun Aug 23 2026 /144 AM MST Sun Aug 23 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS EVENING... * WHAT...Dangerously hot conditions with temperatures up to 115 to 118 degrees expected through Death Valley and the lower Colorado River Valley, with highs between 107 to 110 degrees elsewhere. Near record warm low temperatures expected in urban areas. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Northwest Deserts, Death Valley National Park, and Las Vegas Valley. * WHEN...Until 8 PM PDT /8 PM MST/ this evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. 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. Monitor the latest forecasts and warnings for updates. && $$ JP  177 WWUS75 KGGW 230858 NPWGGW URGENT - WEATHER MESSAGE National Weather Service Glasgow MT 258 AM MDT Sun Aug 23 2026 MTZ016-017-021>023-231000- /O.EXP.KGGW.LW.Y.0039.000000T0000Z-260823T0900Z/ Central and Southeast Phillips-Central and Southern Valley- Petroleum-Garfield-McCone- Including Devils Creek Rec Area and Fort Peck 258 AM MDT Sun Aug 23 2026 ...LAKE WIND ADVISORY WILL EXPIRE AT 3 AM MDT EARLY THIS MORNING... Southeast winds across Fort Peck Lake have diminished below 20 mph early this morning. Therefore the Lake Wind Advisory has been allowed to expire. $$ Ebert