# HEADLINE
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EXTREME HEAT WARNING IN EFFECT FROM 10 AM PDT / MST THURSDAY TO 8 PM PDT / MST SUNDAY
# DETAILS
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WHAT
Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 100 to 110 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
From 10 AM PDT / MST Thursday to 8 PM PDT / MST Sunday.
IMPACTS
Heat related illnesses increase significantly during extreme heat events.
ISSUED AT
Tuesday, July 28, 2026 at 1:00 AM PDT
ISSUED BY
National Weather Service Las Vegas NV
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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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.
# AREAS AFFECTED
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AZ side, AZ side, Lake Mohave , Morongo Basin, NV side, NV side, Cadiz Basin, Death Valley National Park, Eastern Mojave Desert, Esmeralda and Central Nye County, Hualapai Mountains, Lake Havasu and Fort Mohave, Lake Mead , Lake Mead , Lake Mohave , Las Vegas Valley, Lincoln County, Northeast Clark County, Northwest Deserts, Northwest Plateau, Owens Valley North, Owens Valley South, San Bernardino County, Southern Clark County, Upper Colorado River Valley, Western Clark and Southern Nye County, Western Mojave Desert
Including the cities of Pioche, Stovepipe Wells, Dolan Springs, Fort Irwin, Hiko, Mountain Pass, Desert Hills, Mt Trumbull, Independence, Beatty, Colorado City, Morongo Valley, Searchlight, Hoover Dam, North Las Vegas, Panaca, Baker, Yucca Valley, Temple Bar, Furnace Creek, Dyer, Amargosa Valley, Moapa, South Cove, Hualapai Peak, Wikieup, Mesquite, Barstow, Primm, Golden Valley, Vidal Junction, Twentynine Palms, Laughlin, Rachel, Overton, Cal-Nev-Ari, Kingman, Henderson, Alamo, Western Grand Canyon, Topock, Needles, Tuweep, Caliente, Bullhead City, Pipe Spring National Monument, Valentine, Las Vegas, Yucca, Goldfield, Indian Springs, Olancha, Lone Pine, Silver Peak, Lake Havasu City, Daggett, Mitchell Caverns, Boulder City, Desert Rock, Bishop, Pahrump, and Shoshone
