An Extreme Heat Warning has been issued by the National Weather Service Phoenix AZ for south central Arizona, including the Phoenix metropolitan area. The warning, in effect from Thursday, July 23, 2026, at 10 AM MST until Monday, July 27, 2026, at 8 PM MST, indicates dangerously hot conditions with afternoon temperatures reaching 107 to 115 degrees.
The National Weather Service Phoenix AZ has issued an Extreme Heat Warning for south central Arizona, encompassing the Phoenix metropolitan area. This includes specific areas such as Northwest Valley, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, East Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.
The warning takes effect at 10 AM MST on Thursday, July 23, 2026, and is scheduled to remain in place until 8 PM MST on Monday, July 27, 2026. During this period, dangerously hot conditions are anticipated, with afternoon temperatures expected to range from 107 to 115 degrees. This represents a Major Heat Risk for the region.
Extreme heat events significantly increase the risk of heat-related illnesses. Overexposure to these conditions can lead to the development of heat cramps and heat exhaustion. Without intervention, these conditions may progress to heat stroke, which is a medical emergency.
For residents in Maricopa County, resources are available by calling 2-1-1. This service can provide information on free cooling centers, transportation options, and access to water. Public cooling shelters may also be available in some areas, and residents should consult county officials for further details.