Extreme Heat Warning
Status
Event Extended (Time) Active alertStart Time
Sun 08/02/2026 03:24 PM EDTEnd Time
Wed 08/05/2026 11:00 PM EDTSignificance
WarningImpacts
High impact
Locations Affected
Las Vegas, NV ∙ Henderson, NV ∙ North Las Vegas, NV ∙ Lake Havasu City, AZ ∙ Peach Springs, AZ ∙ Dutch John Mountain, NV ∙ Caselton, NV ∙ Frenchman Mountain, NV ∙ Keeler, CA ∙ Newberry Springs, CAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1224 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT /8 PM MST/ WEDNESDAY... * 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/ Wednesday. * 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.
Technical Header
AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025- 026-032200- /O.EXT.KVEF.XH.W.0003.000000T0000Z-260806T0300Z/ 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 Bishop, Overton, Goldfield, Yucca, Lake Havasu City, South Cove, Caliente, Baker, Lone Pine, Las Vegas, Western Grand Canyon, Mt Trumbull, Searchlight, Tuweep, Barstow, Yucca Valley, Furnace Creek, Twentynine Palms, Panaca, Dyer, Alamo, Mitchell Caverns, Bullhead City, Shoshone, Morongo Valley, North Las Vegas, Moapa, Boulder City, Olancha, Cal-Nev-Ari, Pipe Spring National Monument, Henderson, Hoover Dam, Mountain Pass, Desert Rock, Primm, Topock, Wikieup, Valentine, Fort Irwin, Beatty, Hiko, Daggett, Stovepipe Wells, Needles, Vidal Junction, Pioche, Indian Springs, Temple Bar, Hualapai Peak, Dolan Springs, Mesquite, Pahrump, Independence, Colorado City, Laughlin, Rachel, Golden Valley, Amargosa Valley, Desert Hills, Kingman, and Silver Peak 1224 PM PDT Sun Aug 2 2026 /1224 PM MST Sun Aug 2 2026/