Heat warnings issued for Midwest, Southeast
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Alert Day Sun. for high heat and potentially strong storms
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At least 100 Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday.
Summer heat has swept the U.S., with warnings issued across the East Coast and Midwest. In addition to putting stress on the body, hot weather can also take a toll on the brain and mental health ...
As extreme heat grips much of the country, some power grids may struggle to keep up with rising energy demand. But that is not the only challenge grid operators face in this heatwave.