983 WWUS75 KVEF 281933 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1233 PM PDT Tue Jul 28 2026 AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025-026-292300- /O.CON.KVEF.XH.W.0003.260730T1700Z-260803T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Lake Mead - AZ side- Lake Mohave - AZ side-Hualapai Mountains-Northwest Deserts-Death Valley National Park-Western Mojave Desert-Eastern Mojave Desert- Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Owens Valley South-Owens Valley North-Esmeralda and Central Nye County-Lincoln County-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Southern Clark County-Lake Mead - NV side-Lake Mohave - NV side- Including the cities of Beatty, Hiko, Cal-Nev-Ari, Dyer, Pipe Spring National Monument, Desert Hills, Bullhead City, Barstow, Colorado City, Panaca, Mitchell Caverns, Amargosa Valley, Indian Springs, Henderson, Searchlight, Overton, Shoshone, Independence, Caliente, Alamo, Mountain Pass, Olancha, Yucca Valley, Pioche, Topock, Wikieup, Hoover Dam, Tuweep, Kingman, Dolan Springs, Silver Peak, Laughlin, Lake Havasu City, Temple Bar, Mt Trumbull, Fort Irwin, Twentynine Palms, North Las Vegas, Vidal Junction, Las Vegas, Golden Valley, Valentine, Bishop, South Cove, Goldfield, Lone Pine, Pahrump, Hualapai Peak, Mesquite, Moapa, Daggett, Morongo Valley, Desert Rock, Baker, Boulder City, Rachel, Western Grand Canyon, Primm, Furnace Creek, Stovepipe Wells, Yucca, and Needles 1233 PM PDT Tue Jul 28 2026 /1233 PM MST Tue Jul 28 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ THURSDAY TO 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 100 to 110 degrees across most of the southern Great Basin and Arizona Strip. Little to no overnight relief is expected, particularly in the Mojave Desert where lows of 80 to 95 degrees are forecast. This will result in major to extreme heat risk. * WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN...From 10 AM PDT /10 AM MST/ Thursday to 8 PM PDT /8 PM MST/ Sunday. * 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. && $$ CAZ519-521-NVZ018-019-292300- /O.CON.KVEF.HT.Y.0002.260730T1700Z-260803T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Aspendell, Whitney Portal, Westgard Pass, Mt Charleston, Hayford Pk, Bristlecone Pine, and Red Rock Canyon 1233 PM PDT Tue Jul 28 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM PDT SUNDAY... * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 105 degrees below 8000 feet. This will result in moderate heat risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ CO