DENVER (AP) -- Denver's hot weather has not broken records yet, but it has led to some broken power lines and trees.
The 99-degree mark reached Friday was one degree shy of tying a record.
It was the hottest temperature recorded in Denver since August 2008.
The record for June 25 is 100 degrees set in 1991.
The heat was blamed for a microburst -- the result of precipitation that evaporates before it hits the ground.
Power lines and trees were toppled by the burst of wind.
Xcel Energy had urged customers in Denver to reduce electricity use.
The utility is concerned about high demand as it installs temporary equipment at a power substation damaged earlier this month by an explosion and fire.
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