8/3/2025 2:14:00 PM until 8/4/2025 7:00:00 AM

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. Monitor the latest forecasts and warnings for updates.

* WHAT...Dangerously hot conditions with high temperatures between 103 and 106 in Kingman, Golden Valley, and Dolan Springs; between 115 and 120 in Laughlin, Bullhead City, Needles, and Lake Havasu City; between 108 and 112 in the Morongo Basin and Twentynine Palms. Major Heat Risk. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, Morongo Basin, Cadiz Basin, and San Bernardino County-Upper Colorado River Valley. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events.