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As temperatures rose to a scorching 109 degrees on Thursday, the heat wave finally took its toll at the Australian Open, prompting organizers to suspend matches for four hours. By evening, lightning and rain brought more delays.

So just how hot is it? Check out the time lapse video below and watch how quickly a ball of chocolate melts onto the ground in Melbourne.

Over the weekend, temperatures are expected to drop into the 70s -- but not before Friday's forecast of 111 degrees.