Extreme Heat Watch

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1204 PM MST Fri Mar 13 2026 ...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH SUNDAY, MARCH 22... * WHERE...The Northwest Valley of the Phoenix Metro Area, The East Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek. * WHEN...From Thursday morning through Sunday, March 22. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Afternoon high temperatures between 103 and 108 degrees. 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.