A construction worker is shown atop a roof at sunrise to beat daytime high temperatures, Thursday, June 27, 2013 in Queen Creek, Ariz. Excessive heat warnings will continue for much of the Desert ... more 
A construction worker is shown atop a roof at sunrise to beat daytime high temperatures, Thursday, June 27, 2013 in Queen Creek, Ariz. Excessive heat warnings will continue for much of the Desert Southwest as building high pressure triggers major warming in eastern California, Nevada, and Arizona. Dangerously hot temperatures are expected across the Arizona deserts throughout the week with a high of 118 by Friday. (AP Photo/Matt York) less 
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Associated Press | Photo By Matt York
Fri, Jun 28, 2013 1:44 AM EDT