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The NWS Las Vegas NV released an extreme heat warning at 5:22 p.m. on Saturday in effect until Sunday at 8 p.m. The warning is for Death Valley, Western Mojave Desert, Eastern Mojave Desert, Including the Mojave National Preserve, Morongo Basin, Cadiz Basin, San Bernardino County-Upper Colorado River Valley, Owens Valley South and Owens Valley North.
The NWS informs, “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.”
“Heat related illnesses increase significantly during extreme heat events,” explains the NWS.
This warning is in effect until Sunday at 8 p.m.
NWS Heat Wave Safety Tips: Stay safe with these recommendations Consume plenty of fluids to stay hydrated.Stay in an air-conditioned room.Avoid direct sun exposure: Protect yourself and check on vulnerable relatives and neighbors.Protect your little ones and furry friends: Never leave young children and pets alone in vehicles, especially during hot weather when car interiors can become dangerously hot in a matter of minutes.Exercise caution outdoors: If you work or spend time outside, take additional safety measures.Optimal Timing: When possible, reschedule strenuous activities to early morning or evening.Recognize warning signs: Know the signs and symptoms of heat exhaustion and heat stroke.Dress for comfort: Wear lightweight and loose-fitting clothing to stay cool.
For a safer outdoor work environment, follow the Occupational Safety and Health Administration (OSHA)’s guidance by scheduling regular rest breaks in shaded or air-conditioned places. If anyone shows signs of heat illness, promptly move them to a cool, shaded area. In an emergency, call 911.
Source: The National Weather Service
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This story was originally published August 1, 2026 at 5:26 PM.