Extreme heat warning issued for Palo Verde Valley for Wednesday and Thursday

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An extreme heat warning was released by the NWS Phoenix AZ on Monday at 11:31 p.m. valid from Wednesday 10 a.m. until Thursday 8 p.m. for Palo Verde Valley.

The NWS informs, "Dangerously hot conditions possible. Afternoon temperatures of 109 to 114 degrees. Moderate to locally Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke."

"Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke," says the NWS.

This warning is in effect until Thursday at 8 p.m.

Protect yourself during a heat wave with these tips from the NWS

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.
• Seek shelter: Stay indoors in an air-conditioned room to keep cool.
• Stay out of the sun, and check up on relatives and neighbors.
• Child and pet safety: Do not leave young children and pets unattended in vehicles when car interiors can reach lethal temperatures in a matter of minutes.
• Exercise caution outdoors: If you work or spend time outside, take additional safety measures.
• Time your activities wisely: When possible, reschedule strenuous activities to early morning or evening.
• Familiarize yourself with warning signs: Know the symptoms of heat exhaustion and heat stroke.
• Stay cool with clothing: Wear lightweight and loose-fitting clothing.

To minimize risks during outdoor work, the Occupational Safety and Health Administration (OSHA) advises incorporating frequent rest breaks in shaded or air-conditioned areas. If someone experiences heat-related symptoms, promptly relocate them to a cool and shaded spot. In case of an emergency, dial 911.

Source: The National Weather Service

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This story was originally published June 22, 2026 at 11:36 PM.