An Excessive Heat Warning is in effect on July 23, 2014 for La Paz, Maricopa, Pinal, and Yuma Counties until July 24, 2014 at 8:00 PM. Learn more about how to stay safe in extreme heat and stay informed about future heat alerts.

Extreme Weather and Public Health

News & Publications

Check out the Trends in Morbidity and Mortality from Exposure to Excessive Natural Heat in Arizona, 2012 Report. The report contains the latest information on natural/environmental heat-related deaths and illnesses in Arizona.

Note: Files are PDF format unless otherwise stated.