A skateboarder rides through an opened fire hydrant in Detroit, Thursday, July 21, 2011 where the National Weather Service says the temperature is expected to reach 100. (AP Photo/Carlos Osorio)

Photo by: Carlos Osorio

A skateboarder rides through an opened fire hydrant in Detroit, Thursday, July 21, 2011 where the National Weather Service says the temperature is expected to reach 100. (AP Photo/Carlos Osorio)