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Home Return to list Heat Advisory 0002 Issued by the Las Vegas Forecast Office
Action: Time Extended Issued At: 2026-08-05 12:38:51 150 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 Action: Continued Issued At: 2026-08-06 03:06:50 908 WWUS75 KVEF 060806 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 106 AM PDT Thu Aug 6 2026 AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025- 026-070100- /O.CON.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 Mitchell Caverns, Pioche, Panaca, Las Vegas, Laughlin, Beatty, Hoover Dam, Lake Havasu City, Hualapai Peak, Colorado City, Tuweep, Baker, Bishop, Temple Bar, Dyer, Morongo Valley, Daggett, Pahrump, Mt Trumbull, Mesquite, Stovepipe Wells, Caliente, North Las Vegas, Vidal Junction, Olancha, Primm, Indian Springs, Overton, Fort Irwin, Henderson, Shoshone, Bullhead City, Needles, Moapa, Searchlight, Golden Valley, Twentynine Palms, Silver Peak, Mountain Pass, Lone Pine, Topock, Yucca, Hiko, Alamo, Furnace Creek, Desert Hills, Pipe Spring National Monument, Rachel, Barstow, Kingman, Independence, Yucca Valley, Goldfield, Desert Rock, Valentine, Amargosa Valley, South Cove, Western Grand Canyon, Dolan Springs, Boulder City, Cal-Nev-Ari, and Wikieup 106 AM PDT Thu Aug 6 2026 /106 AM MST Thu Aug 6 2026/ ...EXTREME HEAT WARNING REMAINS 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. && $$ CAZ519-521-NVZ018-019-070100- /O.CON.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Whitney Portal, Westgard Pass, Aspendell, Hayford Pk, Mt Charleston, Bristlecone Pine, and Red Rock Canyon 106 AM PDT Thu Aug 6 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 100 degrees below 8000 feet. This will result in Moderate Heat Risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ JP Action: Continued Issued At: 2026-08-06 19:02:40 396 WWUS75 KVEF 070002 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 502 PM PDT Thu Aug 6 2026 AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025- 026-080000- /O.CON.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 Mesquite, Overton, Vidal Junction, Beatty, Morongo Valley, Bullhead City, Twentynine Palms, Tuweep, Rachel, Independence, Silver Peak, Yucca Valley, Lake Havasu City, Hoover Dam, Olancha, Moapa, South Cove, Fort Irwin, Bishop, Pipe Spring National Monument, Caliente, Valentine, Barstow, Alamo, Pahrump, Goldfield, Kingman, Mitchell Caverns, Mountain Pass, Daggett, Dolan Springs, Shoshone, Needles, Mt Trumbull, Colorado City, Indian Springs, Golden Valley, Amargosa Valley, Las Vegas, Henderson, Dyer, Furnace Creek, Yucca, Lone Pine, Desert Hills, Cal-Nev-Ari, Boulder City, Hualapai Peak, Pioche, Laughlin, Stovepipe Wells, Western Grand Canyon, North Las Vegas, Temple Bar, Wikieup, Hiko, Searchlight, Topock, Panaca, Desert Rock, Primm, and Baker 502 PM PDT Thu Aug 6 2026 /502 PM MST Thu Aug 6 2026/ ...EXTREME HEAT WARNING REMAINS 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. && $$ CAZ519-521-NVZ018-019-080000- /O.CON.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Mt Charleston, Whitney Portal, Aspendell, Westgard Pass, Red Rock Canyon, Hayford Pk, and Bristlecone Pine 502 PM PDT Thu Aug 6 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 100 degrees below 8000 feet. This will result in Moderate Heat Risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ MW Action: Continued Issued At: 2026-08-07 16:15:57 075 WWUS75 KVEF 072115 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 215 PM PDT Fri Aug 7 2026 AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025- 026-090000- /O.CON.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 Pioche, Fort Irwin, Primm, Mountain Pass, Silver Peak, Baker, North Las Vegas, Morongo Valley, Las Vegas, Dyer, Valentine, Olancha, Needles, Mesquite, Tuweep, South Cove, Hualapai Peak, Mitchell Caverns, Indian Springs, Desert Rock, Henderson, Kingman, Colorado City, Twentynine Palms, Western Grand Canyon, Hiko, Bishop, Mt Trumbull, Goldfield, Daggett, Cal-Nev-Ari, Vidal Junction, Bullhead City, Beatty, Temple Bar, Dolan Springs, Pahrump, Searchlight, Barstow, Caliente, Lone Pine, Panaca, Boulder City, Overton, Independence, Laughlin, Topock, Stovepipe Wells, Golden Valley, Amargosa Valley, Moapa, Yucca Valley, Rachel, Hoover Dam, Lake Havasu City, Alamo, Pipe Spring National Monument, Yucca, Furnace Creek, Wikieup, Shoshone, and Desert Hills 215 PM PDT Fri Aug 7 2026 /215 PM MST Fri Aug 7 2026/ ...EXTREME HEAT WARNING REMAINS 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. && $$ CAZ519-521-NVZ018-019-090000- /O.CON.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Westgard Pass, Hayford Pk, Aspendell, Bristlecone Pine, Mt Charleston, Whitney Portal, and Red Rock Canyon 215 PM PDT Fri Aug 7 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 100 degrees below 8000 feet. This will result in Moderate Heat Risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ MW Action: Continued Issued At: 2026-08-08 18:05:57 965 WWUS75 KVEF 082305 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 405 PM PDT Sat Aug 8 2026 AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025- 026-092300- /O.CON.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 Boulder City, Searchlight, Shoshone, Dyer, Golden Valley, Overton, Mt Trumbull, Dolan Springs, Morongo Valley, Lone Pine, Las Vegas, Vidal Junction, Kingman, Primm, Mitchell Caverns, Laughlin, North Las Vegas, Twentynine Palms, Mesquite, Amargosa Valley, Daggett, Pipe Spring National Monument, Valentine, Desert Rock, Olancha, Desert Hills, Yucca Valley, Beatty, Mountain Pass, Tuweep, Colorado City, Furnace Creek, Fort Irwin, Independence, Indian Springs, Needles, Bullhead City, Silver Peak, Barstow, Hoover Dam, Hiko, Topock, Henderson, Pioche, Lake Havasu City, Hualapai Peak, Baker, Yucca, Caliente, Moapa, Goldfield, Alamo, Wikieup, Panaca, Western Grand Canyon, Bishop, Cal-Nev-Ari, Temple Bar, Pahrump, Rachel, South Cove, and Stovepipe Wells 405 PM PDT Sat Aug 8 2026 /405 PM MST Sat Aug 8 2026/ ...EXTREME HEAT WARNING REMAINS 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. && $$ CAZ519-521-NVZ018-019-092300- /O.CON.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Westgard Pass, Hayford Pk, Red Rock Canyon, Whitney Portal, Mt Charleston, Bristlecone Pine, and Aspendell 405 PM PDT Sat Aug 8 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 100 degrees below 8000 feet. This will result in Moderate Heat Risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ MW Action: Continued Issued At: 2026-08-09 03:05:13 042 WWUS75 KVEF 090804 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 104 AM PDT Sun Aug 9 2026 AZZ002-570-571-CAZ522-527-NVZ016-017-020-025-026-092200- /O.EXT.KVEF.XH.W.0003.000000T0000Z-260811T0300Z/ Lake Havasu and Fort Mohave-Lake Mead - AZ side-Lake Mohave - AZ side-Death Valley National Park-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead - NV side-Lake Mohave - NV side- Including the cities of North Las Vegas, Henderson, Indian Springs, Needles, Boulder City, Overton, Amargosa Valley, Laughlin, Topock, Temple Bar, Las Vegas, Shoshone, Mesquite, Stovepipe Wells, Desert Hills, Desert Rock, Furnace Creek, Bullhead City, Hoover Dam, Pahrump, South Cove, Lake Havasu City, and Moapa 104 AM PDT Sun Aug 9 2026 /104 AM MST Sun Aug 9 2026/ ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT /8 PM MST/ MONDAY... * WHAT...Dangerously hot conditions with highs of 110 to 115 in the Las Vegas Valley, Pahrump, Moapa Valley, and the Colorado River Valley, and up to 120 in Death Valley. Warm overnight temperatures will result in little relief overnight. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Death Valley National Park, Northeast Clark County, Western Clark and Southern Nye County, and Las Vegas Valley. * WHEN...Until 8 PM PDT /8 PM MST/ Monday. * 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. && $$ AZZ001-575-576-CAZ523>526-581-582-NVZ014-015-022-092200- /O.CON.KVEF.XH.W.0003.000000T0000Z-260810T0300Z/ Northwest Plateau-Hualapai Mountains-Northwest Deserts-Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin- Owens Valley South-Owens Valley North-Esmeralda and Central Nye County-Lincoln County-Southern Clark County- Including the cities of Hualapai Peak, Tuweep, Valentine, Fort Irwin, Mountain Pass, Yucca Valley, Hiko, Cal-Nev-Ari, Baker, Silver Peak, Twentynine Palms, Beatty, Pioche, Barstow, Caliente, Independence, Mitchell Caverns, Panaca, Dyer, Primm, Wikieup, Yucca, Olancha, Kingman, Western Grand Canyon, Vidal Junction, Mt Trumbull, Golden Valley, Dolan Springs, Rachel, Pipe Spring National Monument, Bishop, Alamo, Searchlight, Lone Pine, Colorado City, Morongo Valley, Goldfield, and Daggett 104 AM PDT Sun Aug 9 2026 /104 AM MST Sun Aug 9 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS EVENING... * 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/ 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. && $$ CAZ519-521-NVZ018-019-092200- /O.CON.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 Hayford Pk, Aspendell, Westgard Pass, Whitney Portal, Mt Charleston, Red Rock Canyon, and Bristlecone Pine 104 AM PDT Sun Aug 9 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * 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 this evening. * 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 Action: Continued Issued At: 2026-08-09 09:30:30 817 WWUS75 KVEF 091429 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 729 AM PDT Sun Aug 9 2026 AZZ001-575-576-CAZ523>526-581-582-NVZ014-015-022-100300- /O.CON.KVEF.XH.W.0003.000000T0000Z-260810T0300Z/ Northwest Plateau-Hualapai Mountains-Northwest Deserts-Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin- Owens Valley South-Owens Valley North-Esmeralda and Central Nye County-Lincoln County-Southern Clark County- Including the cities of Dolan Springs, Pipe Spring National Monument, Twentynine Palms, Mitchell Caverns, Wikieup, Dyer, Alamo, Yucca, Mountain Pass, Yucca Valley, Cal-Nev-Ari, Panaca, Independence, Kingman, Golden Valley, Western Grand Canyon, Tuweep, Goldfield, Pioche, Valentine, Barstow, Primm, Caliente, Morongo Valley, Beatty, Searchlight, Bishop, Lone Pine, Olancha, Rachel, Daggett, Colorado City, Vidal Junction, Mt Trumbull, Silver Peak, Hiko, Baker, Fort Irwin, and Hualapai Peak 729 AM PDT Sun Aug 9 2026 /729 AM MST Sun Aug 9 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS EVENING... * 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/ 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. && $$ AZZ002-570-571-CAZ522-527-NVZ016-017-020-025-026-100300- /O.CON.KVEF.XH.W.0003.000000T0000Z-260811T0300Z/ Lake Havasu and Fort Mohave-Lake Mead - AZ side-Lake Mohave - AZ side-Death Valley National Park-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead - NV side-Lake Mohave - NV side- Including the cities of Bullhead City, Shoshone, Indian Springs, Laughlin, South Cove, Lake Havasu City, Desert Hills, North Las Vegas, Amargosa Valley, Las Vegas, Boulder City, Stovepipe Wells, Pahrump, Moapa, Overton, Furnace Creek, Hoover Dam, Topock, Temple Bar, Mesquite, Desert Rock, Henderson, and Needles 729 AM PDT Sun Aug 9 2026 /729 AM MST Sun Aug 9 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ MONDAY... * WHAT...Dangerously hot conditions with highs of 110 to 115 in the Las Vegas Valley, Pahrump, Moapa Valley, and the Colorado River Valley, and up to 120 in Death Valley. Warm overnight temperatures will result in little relief overnight. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Death Valley National Park, Northeast Clark County, Western Clark and Southern Nye County, and Las Vegas Valley. * WHEN...Until 8 PM PDT /8 PM MST/ Monday. * 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. && $$ CAZ519-521-NVZ018-019-100300- /O.CON.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Aspendell, Mt Charleston, Bristlecone Pine, Westgard Pass, Whitney Portal, Red Rock Canyon, and Hayford Pk 729 AM PDT Sun Aug 9 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 100 degrees below 8000 feet. This will result in Moderate Heat Risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ Meltzer Action: Expired Issued At: 2026-08-09 21:49:36 546 WWUS75 KVEF 100249 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 749 PM PDT Sun Aug 9 2026 AZZ001-575-576-CAZ523>526-581-582-NVZ014-015-022-100400- /O.EXP.KVEF.XH.W.0003.000000T0000Z-260810T0300Z/ Northwest Plateau-Hualapai Mountains-Northwest Deserts-Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin- Owens Valley South-Owens Valley North-Esmeralda and Central Nye County-Lincoln County-Southern Clark County- Including the cities of Mountain Pass, Panaca, Pioche, Pipe Spring National Monument, Vidal Junction, Baker, Bishop, Rachel, Valentine, Primm, Beatty, Western Grand Canyon, Colorado City, Daggett, Golden Valley, Hiko, Morongo Valley, Olancha, Kingman, Searchlight, Fort Irwin, Wikieup, Barstow, Dolan Springs, Mitchell Caverns, Goldfield, Yucca Valley, Independence, Alamo, Hualapai Peak, Mt Trumbull, Twentynine Palms, Yucca, Lone Pine, Silver Peak, Cal-Nev-Ari, Caliente, Dyer, and Tuweep 749 PM PDT Sun Aug 9 2026 /749 PM MST Sun Aug 9 2026/ ...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS EVENING... The Heat Advisory has been allowed to expire. Temperatures have fallen below warning criteria. Please continue to use caution when outdoors by ensuring access to effective cooling and adequate hydration. $$ CAZ519-521-NVZ018-019-100400- /O.EXP.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/ Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range- Spring Mountains-Red Rock Canyon- Including the cities of Whitney Portal, Red Rock Canyon, Mt Charleston, Hayford Pk, Bristlecone Pine, Westgard Pass, and Aspendell 749 PM PDT Sun Aug 9 2026 ...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... The Heat Advisory has been allowed to expire. Temperatures have fallen below advisory criteria. Please continue to use caution when outdoors by ensuring access to effective cooling and adequate hydration. $$ AZZ002-570-571-CAZ522-527-NVZ016-017-020-025-026-101500- /O.CON.KVEF.XH.W.0003.000000T0000Z-260811T0300Z/ Lake Havasu and Fort Mohave-Lake Mead - AZ side-Lake Mohave - AZ side-Death Valley National Park-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead - NV side-Lake Mohave - NV side- Including the cities of Moapa, Las Vegas, Furnace Creek, Amargosa Valley, Temple Bar, Laughlin, Stovepipe Wells, Hoover Dam, Mesquite, Topock, Shoshone, North Las Vegas, Needles, Indian Springs, Henderson, Lake Havasu City, Boulder City, Desert Hills, Overton, Bullhead City, Pahrump, South Cove, and Desert Rock 749 PM PDT Sun Aug 9 2026 /749 PM MST Sun Aug 9 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ MONDAY... * WHAT...Dangerously hot conditions with highs of 110 to 115 in the Las Vegas Valley, Pahrump, Moapa Valley, and the Colorado River Valley, and up to 120 in Death Valley. Warm overnight temperatures will result in little relief overnight. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Death Valley National Park, Northeast Clark County, Western Clark and Southern Nye County, and Las Vegas Valley. * WHEN...Until 8 PM PDT /8 PM MST/ Monday. * 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. && $$ Stessman | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||