Historic, unrelenting heat wave continues as millions lack power – Sandra Endo on why restoration is taking so long

(CNN) - Blistering temperatures will continue in many states Tuesday, as hundreds of thousands were still sweating and stuck without power from deadly heat-driven storms.

Extreme heat warnings were issued for parts of Illinois, Indiana, Missouri, Kentucky, Ohio and Michigan Tuesday with the National Weather Service saying that those areas would be scorched with near and above triple-digit temperatures for days.

Heat advisory warnings were also in place Tuesday for different parts of Missouri, Kentucky, Ohio, as well as parts of Nebraska, South Dakota, Wisconsin, Minnesota and Iowa.

Cities and towns in the Midwest, Mid-Atlantic and Southeast have already endured temperatures in the high 90s and above 100 degrees since, in some cases, the middle of last week. It's all part of a system tied to the breaking or tying of more than 2,238 hot weather records nationwide between June 25 and July 1, according to the National Climatic Data Center.

All this comes as about 1.8 million people scattered from the District of Columbia through 11 states, from Indiana to Delaware, had no electricity Monday night.

This morning on "Early Start," Sandra Endo has the latest on the race to restore power for millions of Americans.

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