WWUS75 KVEF 051738 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1038 AM PDT Wed Aug 5 2026 AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025- 026-061200- /O.EXT.KVEF.XH.W.0003.000000T0000Z-260810T0300Z/ 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 Golden Valley, Mountain Pass, Lone Pine, Silver Peak, Tuweep, Moapa, Beatty, Hualapai Peak, Yucca, Wikieup, Desert Hills, Independence, Hiko, Western Grand Canyon, Shoshone, Yucca Valley, Dolan Springs, Rachel, Cal-Nev-Ari, Panaca, Pahrump, Morongo Valley, Alamo, Primm, Twentynine Palms, Valentine, Indian Springs, Pipe Spring National Monument, Fort Irwin, Mt Trumbull, Furnace Creek, Laughlin, Temple Bar, Boulder City, Bullhead City, Baker, Mesquite, Bishop, Amargosa Valley, Searchlight, Hoover Dam, Overton, Lake Havasu City, Stovepipe Wells, Olancha, Henderson, Topock, Colorado City, Kingman, Daggett, North Las Vegas, Dyer, Vidal Junction, Caliente, Desert Rock, Mitchell Caverns, Goldfield, Las Vegas, Barstow, Pioche, South Cove, and Needles 1038 AM PDT Wed Aug 5 2026 /1038 AM MST Wed Aug 5 2026/ ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 95 to 105 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...Until 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. && $$ CAZ519-521-NVZ018-019-061200- /O.EXT.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Bristlecone Pine, Whitney Portal, Mt Charleston, Westgard Pass, Red Rock Canyon, Hayford Pk, and Aspendell 1038 AM PDT Wed Aug 5 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 100 degrees below 8000 feet. This will result in Moderate Heat Risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon.* WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ CO