Extreme Heat Watch

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1206 PM MST Fri Aug 1 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions. Afternoon temperatures 107 to 114. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. For the Extreme Heat Watch, dangerously hot conditions possible. Afternoon temperatures 108 to 118. Extreme Heat Risk. * WHERE...Sonoran Desert National Monument, Aguila Valley, Tonopah Desert, Gila Bend, Cave Creek/New River, Fountain Hills/East Mesa, Superior, Northwest Pinal County, West Pinal County, and Apache Junction/Gold Canyon. * WHEN...For the Extreme Heat Warning, until 8 PM MST Saturday. For the Extreme Heat Watch, from Tuesday morning through Friday 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. 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.