* WHAT...Dangerously hot conditions possible. Afternoon temperatures 106 to 112. Major Heat Risk.
* WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, Tonopah Desert, and West Pinal County.
* WHEN...From Monday morning through Wednesday 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.