Extreme Heat Warning
Status
Event Continued ExpiredStart Time
Sat 08/23/2025 04:57 AM EDTEnd Time
Sun 08/24/2025 02:00 AM EDTSignificance
WarningImpacts
High impact
Locations Affected
Las Vegas, NV ∙ Henderson, NV ∙ North Las Vegas, NV ∙ Lake Havasu City, AZ ∙ Big Pine, CA ∙ Tucki Mountain, CA ∙ Ivanpah Valley, CA ∙ Golden Valley, AZ ∙ Hackberry, AZ ∙ Desert National Wildlife Range, NVFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 157 AM PDT Sat Aug 23 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM MST/ THIS EVENING... * WHAT...Dangerously hot conditions with temperatures around 100 to 105 in Kingman, Golden Valley, Dolan Springs; around 105 to 110 in Las Vegas, Pahrump, Barstow, Yucca Valley, Twentynine Palms; around 110 to 115 in Laughlin, Bullhead City, Needles, Lake Havasu City; around 115 to 120 at Furnace Creek in Death Valley National Park. Expect minimal overnight relief. In the Owens Valley, temperatures will be around 95 to 105. Expect widespread Moderate-to-Major HeatRisk. * WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN...Until 11 PM PDT /11 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.
Technical Header
AZZ001>003-036-CAZ520-522>527-NVZ015>017-020>022-240600- /O.CON.KVEF.XH.W.0009.000000T0000Z-250824T0600Z/ Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts- Lake Mead National Recreation Area-Owens Valley-Death Valley National Park-Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado River Valley-Lincoln County-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, Boulder City, Western Grand Canyon, Baker, Dolan Springs, Pipe Spring National Monument, Alamo, Shoshone, Rachel, Yucca Valley, Hiko, Pioche, Hoover Dam, Mitchell Caverns, Primm, Mountain Pass, Vidal Junction, Searchlight, Henderson, Cal-Nev-Ari, Kingman, Panaca, Amargosa Valley, Golden Valley, Needles, Moapa, Lake Havasu City, Daggett, Mt Trumbull, Stovepipe Wells, Colorado City, Indian Springs, Desert Rock, North Las Vegas, Bullhead City, Olancha, Morongo Valley, Oatman, Caliente, Tuweep, Independence, Mesquite, Fort Irwin, Overton, Pahrump, Desert Hills, Yucca, Mohave Valley, Lone Pine, Barstow, Las Vegas, Furnace Creek, Bishop, Laughlin, Wikieup, Twentynine Palms, and Topock 157 AM PDT Sat Aug 23 2025 /157 AM MST Sat Aug 23 2025/