Heat Fuels Wildfires
Largest fire in Arizona history continues to burn out of control.
A massive wildfire burning out of control in Arizona is threatening mountain communities and forcing evacuations.
Burning for more than a week, there is zero containment as more than 2,000 firefighters battle the blaze.
The thick rugged terrain is making the fire difficult to fight, while strong winds and low humidity are making a bad situation worse.
193,000 acres have already been scorched.
Meanwhile, sweltering heat is gripping much of the country, from the upper Midwest to south Florida.
Temperatures are reaching into the mid 90s in Chicago where on Saturday the heat turned deadly.
A 26-year-old man died while running a half marathon.
Nearly a dozens others were hospitalized for heat exhaustion.
Elsewhere in the nation's midsection triple digit temperatures are setting records.
In south Florida drought conditions have Lake Okeechobee at its lowest level in four years.
While it may feel like the dog days of summer, the calendar still says spring.
The official start of summer is still two weeks away.