Extreme heat watch for Palo Verde Valley for Wednesday and Thursday

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At 11:36 p.m. on Sunday, the NWS Phoenix AZ released an extreme heat watch valid from Wednesday 10 a.m. until Thursday 8 p.m. for Palo Verde Valley.

The NWS informs, "Dangerously hot conditions. Afternoon temperatures of 108 to 114 degrees possible. Localized Major Heat Risk."

"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," explains the NWS.

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

Tips from the NWS for staying safe during a heat wave

• Stay hydrated: Drink plenty of fluids.
• Find cool shelter: Stay in an air-conditioned room.
• Stay out of the sun, and check up on relatives and neighbors.
• Ensure 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.
• Be mindful outdoors: Take extra precautions when working or spending time outside.
• Consider the 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.
• Stay cool with clothing: Wear lightweight and loose-fitting clothing.

To reduce risk during outdoor work, the Occupational Safety and Health Administration (OSHA) recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published June 21, 2026 at 11:40 PM.