Extreme Heat Warning

Locations Affected

Avondale, AZ ∙ Goodyear, AZ ∙ Buckeye, AZ ∙ Casa Grande Municipal Airport, AZ ∙ Cashion, AZ ∙ Phoenix Williams Gateway Airport, AZ ∙ Ak-Chin Village, AZ ∙ Randolph, AZ ∙ Buckeye Valley, AZ ∙ Sun Lakes, AZ

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1048 AM MST Wed Aug 19 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM MST SUNDAY... ...BLOWING DUST ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 PM MST THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions. Afternoon temperatures 109 to 112. Major Heat Risk. For the Blowing Dust Advisory, visibility between one-quarter and one mile in blowing dust expected. * WHERE...The Phoenix metropolitan area. * WHEN...For the Extreme Heat Warning, until 8 PM MST Sunday. For the Blowing Dust Advisory, from 5 PM this afternoon to 10 PM MST this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. 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. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in visibility to near zero. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep foot off the brake pedal. Remember, 'Pull Aside, Stay Alive'. An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

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