Extreme Heat Warning

Locations Affected

Yuma, AZ ∙ Kinter, AZ ∙ El Centro, CA ∙ Mesa Verde, CA ∙ Cadiz Valley, CA ∙ San Luis, AZ ∙ Salton Sea Beach, CA ∙ Cibola National Wildlife Refuge, AZ ∙ Seeley, CA ∙ Ehrenberg, AZ

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1258 PM MST Wed Jul 15 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/ THURSDAY... * WHAT...Dangerously hot and humid conditions. Afternoon temperatures 105 to 115 degrees. Moderate to Major Heat Risk. * WHERE...In Arizona, Parker Valley and Yuma. In California, Imperial Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Thursday. * 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.

---