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Home Return to list Heat Advisory 0001 Issued by the Las Vegas Forecast Office
Action: Continued Issued At: 2026-03-16 21:54:31 113 WWUS75 KVEF 170253 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 753 PM PDT Mon Mar 16 2026 AZZ002-036-CAZ527-NVZ021-171600- /O.EXP.KVEF.LW.Y.0003.000000T0000Z-260317T0300Z/ /O.CON.KVEF.XH.W.0001.260318T1800Z-260323T0300Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley-Lake Mead National Recreation Area- Including the cities of Needles, Bullhead City, Lake Havasu City, Mohave Valley, Topock, Laughlin, Oatman, Hoover Dam, and Desert Hills 753 PM PDT Mon Mar 16 2026 /753 PM MST Mon Mar 16 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ WEDNESDAY TO 8 PM PDT /8 PM MST/ SUNDAY... ...LAKE WIND ADVISORY WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures between 100 and 108 expected. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, and San Bernardino County-Upper Colorado River Valley. * WHEN...From 11 AM PDT /11 AM MST/ Wednesday to 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high- profile vehicles. Use extra caution. 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. && $$ AZZ001-171600- /O.CON.KVEF.XH.W.0001.260318T1800Z-260323T0300Z/ Northwest Plateau- Including the cities of Tuweep, Western Grand Canyon, Mt Trumbull, Colorado City, and Pipe Spring National Monument 753 PM MST Mon Mar 16 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM MST SUNDAY... * WHAT...Dangerously hot conditions with temperatures near 30 degrees above seasonal normals expected. This translates to temperatures in the upper 80s and low 90s across the mid and higher elevations, and near 100 degrees along the Virgin River Gorge. * WHERE...Northwest Plateau. * WHEN...From 11 AM Wednesday to 8 PM MST Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ AZZ003-CAZ522>526-NVZ016-017-020-022-171600- /O.CON.KVEF.XH.W.0001.260318T1800Z-260323T0300Z/ Northwest Deserts-Death Valley National Park-Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Southern Clark County- Including the cities of Barstow, Boulder City, Dolan Springs, Mesquite, Kingman, Twentynine Palms, Henderson, Golden Valley, Indian Springs, Furnace Creek, Stovepipe Wells, Mountain Pass, Yucca Valley, Moapa, Morongo Valley, Vidal Junction, Shoshone, Pahrump, Wikieup, Fort Irwin, Mitchell Caverns, Yucca, Desert Rock, Daggett, Searchlight, Valentine, Primm, Las Vegas, Baker, North Las Vegas, Overton, Amargosa Valley, and Cal-Nev-Ari 753 PM PDT Mon Mar 16 2026 /753 PM MST Mon Mar 16 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ WEDNESDAY TO 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot conditions with temperatures peaking between 95 and 100 degrees expected for the Las Vegas Valley, Pahrump Valley, and Kingman; temperatures peaking between 98 and 103 for lower elevations of southern Mohave County. * WHERE...In Arizona, Northwest Deserts. In California, Cadiz Basin, Death Valley National Park, Eastern Mojave Desert, Morongo Basin, and Western Mojave Desert. In Nevada, Las Vegas Valley, Northeast Clark County, Southern Clark County, and Western Clark and Southern Nye County. * WHEN...From 11 AM PDT /11 AM MST/ Wednesday to 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-171600- /O.CON.KVEF.HT.Y.0001.260318T1800Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Bishop, Lone Pine, Alamo, Panaca, Hiko, Pioche, Rachel, Goldfield, Caliente, Independence, Silver Peak, Dyer, Beatty, and Olancha 753 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures near 30 degrees above seasonal normals expected. This translates to temperatures 80s and 90s across the region, with nearly 100 degree temps possible in the lowest elevations below 3000 feet. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...From 11 AM Wednesday to 8 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas CO Action: Continued Issued At: 2026-03-17 10:03:45 473 WWUS75 KVEF 171503 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 803 AM PDT Tue Mar 17 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-181100- /O.CON.KVEF.XH.W.0001.260318T1800Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Pipe Spring National Monument, Mt Trumbull, Hoover Dam, Barstow, Furnace Creek, Dolan Springs, Twentynine Palms, Bullhead City, Mitchell Caverns, Tuweep, Wikieup, Yucca Valley, North Las Vegas, Overton, Stovepipe Wells, Valentine, Fort Irwin, Oatman, Topock, Pahrump, Amargosa Valley, Laughlin, Lake Havasu City, Baker, Colorado City, Boulder City, Shoshone, Moapa, Vidal Junction, Indian Springs, Kingman, Desert Hills, Las Vegas, Cal-Nev-Ari, Western Grand Canyon, Needles, Desert Rock, Mountain Pass, Golden Valley, Mohave Valley, Yucca, Primm, Mesquite, Henderson, Daggett, Searchlight, and Morongo Valley 803 AM PDT Tue Mar 17 2026 /803 AM MST Tue Mar 17 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM PDT / MST WEDNESDAY TO 8 PM PDT / MST SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwestern Arizona, southeastern California, and southern Nevada. * WHEN...From 11 AM PDT / MST Wednesday to 8 PM PDT / MST Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-181100- /O.CON.KVEF.HT.Y.0001.260318T1800Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Pioche, Rachel, Beatty, Hiko, Alamo, Dyer, Bishop, Independence, Lone Pine, Caliente, Panaca, Silver Peak, Goldfield, and Olancha 803 AM PDT Tue Mar 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM PDT SATURDAY... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...From 11 AM Wednesday to 8 PM PDT Saturday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas JCS Action: Continued Issued At: 2026-03-18 04:38:35 943 WWUS75 KVEF 180937 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 237 AM PDT Wed Mar 18 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-181800- /O.CON.KVEF.XH.W.0001.260318T1800Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Valentine, Twentynine Palms, Cal-Nev-Ari, Western Grand Canyon, Boulder City, Needles, Barstow, Primm, North Las Vegas, Mountain Pass, Mesquite, Hoover Dam, Yucca Valley, Desert Rock, Mohave Valley, Pipe Spring National Monument, Wikieup, Stovepipe Wells, Mt Trumbull, Topock, Mitchell Caverns, Kingman, Searchlight, Shoshone, Vidal Junction, Indian Springs, Bullhead City, Las Vegas, Desert Hills, Amargosa Valley, Dolan Springs, Henderson, Yucca, Daggett, Morongo Valley, Laughlin, Oatman, Golden Valley, Lake Havasu City, Fort Irwin, Overton, Furnace Creek, Moapa, Baker, Colorado City, Tuweep, and Pahrump 237 AM PDT Wed Mar 18 2026 /237 AM MST Wed Mar 18 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS MORNING TO 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...From 11 AM PDT /11 AM MST/ this morning to 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-181800- /O.CON.KVEF.HT.Y.0001.260318T1800Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Silver Peak, Dyer, Beatty, Panaca, Independence, Hiko, Alamo, Bishop, Olancha, Rachel, Caliente, Lone Pine, Goldfield, and Pioche 237 AM PDT Wed Mar 18 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT SATURDAY... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...From 11 AM this morning to 8 PM PDT Saturday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas MW Action: Continued Issued At: 2026-03-18 12:50:50 744 WWUS75 KVEF 181750 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1050 AM PDT Wed Mar 18 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-190800- /O.CON.KVEF.XH.W.0001.260318T1800Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Mitchell Caverns, Yucca, Golden Valley, Wikieup, Fort Irwin, Barstow, Mt Trumbull, Valentine, Topock, Stovepipe Wells, Mountain Pass, Mesquite, Baker, Henderson, North Las Vegas, Oatman, Needles, Hoover Dam, Dolan Springs, Searchlight, Pipe Spring National Monument, Boulder City, Amargosa Valley, Lake Havasu City, Tuweep, Bullhead City, Desert Hills, Daggett, Las Vegas, Cal-Nev-Ari, Kingman, Yucca Valley, Twentynine Palms, Moapa, Primm, Vidal Junction, Desert Rock, Colorado City, Overton, Laughlin, Pahrump, Mohave Valley, Indian Springs, Shoshone, Morongo Valley, Furnace Creek, and Western Grand Canyon 1050 AM PDT Wed Mar 18 2026 /1050 AM MST Wed Mar 18 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot conditions with temperatures up to 102 expected. * WHERE...Portions of northwest Arizona, southeast California, 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. && $$ CAZ520-NVZ014-015-190800- /O.CON.KVEF.HT.Y.0001.260318T1800Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Panaca, Goldfield, Bishop, Dyer, Lone Pine, Olancha, Caliente, Alamo, Beatty, Silver Peak, Hiko, Rachel, Pioche, and Independence 1050 AM PDT Wed Mar 18 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Temperatures up to 92 expected. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas DB Action: Continued Issued At: 2026-03-19 02:04:14 610 WWUS75 KVEF 190703 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1203 AM PDT Thu Mar 19 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-192200- /O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Lake Havasu City, Hoover Dam, North Las Vegas, Searchlight, Valentine, Tuweep, Baker, Desert Hills, Colorado City, Mountain Pass, Needles, Shoshone, Henderson, Mt Trumbull, Golden Valley, Vidal Junction, Amargosa Valley, Overton, Western Grand Canyon, Pahrump, Mitchell Caverns, Dolan Springs, Indian Springs, Daggett, Oatman, Barstow, Mesquite, Wikieup, Yucca Valley, Kingman, Yucca, Las Vegas, Fort Irwin, Topock, Moapa, Cal-Nev-Ari, Boulder City, Pipe Spring National Monument, Stovepipe Wells, Bullhead City, Furnace Creek, Morongo Valley, Mohave Valley, Desert Rock, Laughlin, Primm, and Twentynine Palms 1203 AM PDT Thu Mar 19 2026 /1203 AM MST Thu Mar 19 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-192200- /O.CON.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Beatty, Lone Pine, Alamo, Independence, Goldfield, Olancha, Silver Peak, Hiko, Pioche, Caliente, Rachel, Dyer, Bishop, and Panaca 1203 AM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas MW Action: Continued Issued At: 2026-03-19 15:02:25 208 WWUS75 KVEF 192001 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 101 PM PDT Thu Mar 19 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-201015- /O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Cal-Nev-Ari, Mesquite, Valentine, Golden Valley, Wikieup, Mountain Pass, Pipe Spring National Monument, Boulder City, Fort Irwin, Overton, Henderson, Lake Havasu City, Mohave Valley, Desert Hills, Topock, Pahrump, North Las Vegas, Laughlin, Bullhead City, Needles, Mitchell Caverns, Yucca, Kingman, Moapa, Baker, Amargosa Valley, Las Vegas, Hoover Dam, Indian Springs, Barstow, Western Grand Canyon, Oatman, Shoshone, Vidal Junction, Colorado City, Twentynine Palms, Primm, Tuweep, Dolan Springs, Furnace Creek, Stovepipe Wells, Desert Rock, Daggett, Morongo Valley, Yucca Valley, Mt Trumbull, and Searchlight 101 PM PDT Thu Mar 19 2026 /101 PM MST Thu Mar 19 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-201015- /O.CON.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Lone Pine, Olancha, Independence, Beatty, Goldfield, Panaca, Rachel, Silver Peak, Pioche, Alamo, Hiko, Caliente, Bishop, and Dyer 101 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for thMSose not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas KEG Action: Continued Issued At: 2026-03-20 04:26:05 096 WWUS75 KVEF 200925 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 225 AM PDT Fri Mar 20 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-202300- /O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Valentine, Colorado City, Lake Havasu City, Laughlin, Primm, Moapa, Furnace Creek, Twentynine Palms, Hoover Dam, Yucca, Desert Hills, Boulder City, Shoshone, Kingman, Mesquite, Cal-Nev-Ari, Mountain Pass, Wikieup, Pipe Spring National Monument, Indian Springs, Henderson, North Las Vegas, Mt Trumbull, Stovepipe Wells, Western Grand Canyon, Tuweep, Topock, Overton, Las Vegas, Amargosa Valley, Searchlight, Golden Valley, Barstow, Mitchell Caverns, Morongo Valley, Vidal Junction, Yucca Valley, Needles, Pahrump, Desert Rock, Daggett, Oatman, Fort Irwin, Baker, Bullhead City, Dolan Springs, and Mohave Valley 225 AM PDT Fri Mar 20 2026 /225 AM MST Fri Mar 20 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-202300- /O.CON.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Caliente, Goldfield, Bishop, Hiko, Lone Pine, Silver Peak, Panaca, Pioche, Dyer, Independence, Alamo, Beatty, Olancha, and Rachel 225 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for thMSose not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas MW Action: Continued Issued At: 2026-03-20 17:37:00 644 WWUS75 KVEF 202236 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 336 PM PDT Fri Mar 20 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-211200- /O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Fort Irwin, Colorado City, Lake Havasu City, Indian Springs, Amargosa Valley, Yucca, Overton, Boulder City, Searchlight, Mountain Pass, Tuweep, Western Grand Canyon, Oatman, Needles, Furnace Creek, Desert Hills, Dolan Springs, Pipe Spring National Monument, Pahrump, Moapa, Baker, Twentynine Palms, Morongo Valley, Barstow, Vidal Junction, North Las Vegas, Stovepipe Wells, Hoover Dam, Desert Rock, Henderson, Mesquite, Bullhead City, Topock, Primm, Mohave Valley, Yucca Valley, Shoshone, Laughlin, Mt Trumbull, Valentine, Daggett, Cal-Nev-Ari, Las Vegas, Wikieup, Mitchell Caverns, Golden Valley, and Kingman 336 PM PDT Fri Mar 20 2026 /336 PM MST Fri Mar 20 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-211200- /O.CON.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Panaca, Independence, Bishop, Rachel, Caliente, Beatty, Dyer, Alamo, Pioche, Goldfield, Silver Peak, Lone Pine, Olancha, and Hiko 336 PM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for thMSose not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas AG Action: Continued Issued At: 2026-03-21 04:16:34 579 WWUS75 KVEF 210916 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 216 AM PDT Sat Mar 21 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-212300- /O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Mt Trumbull, Lake Havasu City, Baker, Mountain Pass, Wikieup, Pahrump, Western Grand Canyon, Hoover Dam, Vidal Junction, Dolan Springs, Furnace Creek, Mitchell Caverns, Moapa, Tuweep, Kingman, Laughlin, Indian Springs, Desert Hills, Mohave Valley, Overton, Bullhead City, Yucca, Searchlight, Las Vegas, Pipe Spring National Monument, Boulder City, Primm, Fort Irwin, Yucca Valley, Needles, Henderson, Topock, Twentynine Palms, Colorado City, Barstow, Mesquite, Morongo Valley, Cal-Nev-Ari, North Las Vegas, Amargosa Valley, Valentine, Desert Rock, Shoshone, Daggett, Stovepipe Wells, Golden Valley, and Oatman 216 AM PDT Sat Mar 21 2026 /216 AM MST Sat Mar 21 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT / MST SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT / MST Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-212300- /O.CON.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Dyer, Lone Pine, Caliente, Beatty, Bishop, Olancha, Pioche, Silver Peak, Independence, Goldfield, Hiko, Rachel, Panaca, and Alamo 216 AM PDT Sat Mar 21 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for thMSose not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas JCS Action: Continued Issued At: 2026-03-21 17:09:00 864 WWUS75 KVEF 212208 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 308 PM PDT Sat Mar 21 2026 AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-220300- /O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Yucca Valley, Amargosa Valley, Searchlight, Indian Springs, Wikieup, Bullhead City, Colorado City, Needles, Pahrump, Daggett, Morongo Valley, Kingman, Shoshone, Hoover Dam, Mohave Valley, Desert Hills, North Las Vegas, Barstow, Henderson, Lake Havasu City, Las Vegas, Furnace Creek, Laughlin, Golden Valley, Baker, Mitchell Caverns, Desert Rock, Boulder City, Pipe Spring National Monument, Dolan Springs, Mesquite, Topock, Yucca, Mountain Pass, Mt Trumbull, Twentynine Palms, Fort Irwin, Tuweep, Valentine, Stovepipe Wells, Primm, Overton, Moapa, Cal-Nev-Ari, Western Grand Canyon, Vidal Junction, and Oatman 308 PM PDT Sat Mar 21 2026 /308 PM MST Sat Mar 21 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ CAZ520-NVZ014-015-220300- /O.CON.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Olancha, Bishop, Caliente, Hiko, Independence, Alamo, Rachel, Pioche, Lone Pine, Silver Peak, Beatty, Dyer, Panaca, and Goldfield 308 PM PDT Sat Mar 21 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...In California, Owens Valley. In Nevada, Esmeralda and Central Nye County and Lincoln County. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas SM Action: Expired Issued At: 2026-03-21 21:47:39 861 WWUS75 KVEF 220247 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 747 PM PDT Sat Mar 21 2026 CAZ520-NVZ014-015-220400- /O.EXP.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/ Owens Valley-Esmeralda and Central Nye County-Lincoln County- Including the cities of Silver Peak, Hiko, Independence, Lone Pine, Beatty, Olancha, Rachel, Alamo, Pioche, Panaca, Bishop, Dyer, Caliente, and Goldfield 747 PM PDT Sat Mar 21 2026 ...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... Temperatures will lower a few degrees Sunday and early next week bringing an end to the current heat advisory. Temperatures are still expected to remain well above normal through much of next week. $$ AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-230300- /O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Death Valley National Park- Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Northeast Clark County-Western Clark and Southern Nye County-Las Vegas Valley-Lake Mead National Recreation Area-Southern Clark County- Including the cities of Bullhead City, Amargosa Valley, Mountain Pass, Dolan Springs, Twentynine Palms, Baker, Henderson, Primm, Desert Hills, Needles, Searchlight, Pahrump, North Las Vegas, Mt Trumbull, Boulder City, Topock, Kingman, Yucca Valley, Overton, Valentine, Desert Rock, Stovepipe Wells, Cal-Nev-Ari, Pipe Spring National Monument, Oatman, Furnace Creek, Mohave Valley, Morongo Valley, Shoshone, Moapa, Hoover Dam, Yucca, Barstow, Laughlin, Mesquite, Colorado City, Tuweep, Indian Springs, Lake Havasu City, Western Grand Canyon, Wikieup, Daggett, Mitchell Caverns, Fort Irwin, Golden Valley, Vidal Junction, and Las Vegas 747 PM PDT Sat Mar 21 2026 /747 PM MST Sat Mar 21 2026/ ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ SUNDAY... * WHAT...Dangerously hot temperatures climbing to near-30 degrees above seasonal normals. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday. 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. && $$ For more information from the National Weather Service visit http://weather.gov/lasvegas AG | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||