# HEADLINE
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EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ THURSDAY TO 8 PM PDT /8 PM MST/ MONDAY
# DETAILS
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WHAT
Dangerously hot conditions expected. Afternoon temperatures in the desert valleys will climb into the 108 to 114 degree range, and may exceed 115 along the Colorado River Valley and 120 in Death Valley. Overnight lows generally 80 to 95 degrees.
WHERE
Portions of northwest Arizona, southeast California, and southern Nevada including the Greater Mojave Desert region.
WHEN
From 10 AM PDT /10 AM MST/ Thursday to 8 PM PDT /8 PM MST/ Monday.
IMPACTS
Heat related illnesses increase significantly during extreme heat events.
ISSUED AT
Wednesday, July 22, 2026 at 4:35 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, NV side, NV side, Southern Clark County, Cadiz Basin, Death Valley National Park, Eastern Mojave Desert, Lake Havasu and Fort Mohave, Lake Mead , Lake Mead , Lake Mohave , Lake Mohave , Las Vegas Valley, Morongo Basin, Northeast Clark County, Northwest Deserts, San Bernardino County, Upper Colorado River Valley, Western Clark and Southern Nye County, Western Mojave Desert
Including the cities of Amargosa Valley, Indian Springs, Primm, Yucca, Laughlin, Kingman, Bullhead City, Golden Valley, Overton, Henderson, Barstow, Wikieup, Desert Hills, Stovepipe Wells, Searchlight, Temple Bar, Moapa, Valentine, Pahrump, Las Vegas, Daggett, Boulder City, Furnace Creek, Dolan Springs, Twentynine Palms, Yucca Valley, Baker, Mountain Pass, Hoover Dam, South Cove, Fort Irwin, North Las Vegas, Morongo Valley, Mesquite, Lake Havasu City, Mitchell Caverns, Vidal Junction, Cal-Nev-Ari, Desert Rock, Topock, Shoshone, and Needles