One product issued by NWS for:
Extreme Heat Warning
URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 747 PM PDT Sat Mar 21 2026 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