Weather Alerts For Deer Valley, AZ

# HEADLINE -------------------- EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY EVENING # DETAILS -------------------- WHAT Dangerously hot conditions. Afternoon temperatures 110 to 114 degrees possible. Localized Major Heat Risk. WHERE Buckeye/Avondale, Central Phoenix, Deer Valley, East Valley, North Phoenix/Glendale, Northwest Valley, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek. WHEN From Wednesday morning through Thursday evening. IMPACTS 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. http://www.maricopa.gov/heat ISSUED AT Sunday, June 21, 2026 at 11:36 PM MST ISSUED BY National Weather Service Phoenix AZ HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- An Extreme Heat Watch means that a period of very hot temperatures, even by local standards, may 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. # AREAS AFFECTED -------------------- North Phoenix/Glendale, South Mountain/Ahwatukee, Buckeye/Avondale, Central Phoenix, Deer Valley, East Valley, Northwest Valley, Scottsdale/Paradise Valley, Southeast Valley/Queen Creek Including the cities of Goodyear, Peoria, Avondale, Circle City, Beardsley, Wittmann, Mesa, Liberty, Chandler, Phoenix, Paradise Valley, Tempe, Surprise, Sun City West, Gilbert, Cashion, Queen Creek, and Sun Lakes