Record-Breaking Heatwave Scorches Maricopa County

The National Weather Service has extended an excessive heat warning for Maricopa County in Arizona, with high temperatures above 110 degrees forecasted throughout the week. The Southwest region has experienced significant warming over the past decade, with Phoenix and surrounding areas becoming hotter due to the urban "heat-island" effect. The Arizona Department of Health Services provides tips to prevent heat-related illnesses, including staying hydrated, dressing appropriately, and monitoring those at risk.