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Live from ABC News headquarters in New York City, this is Good Morning America.

We have a lot to cover this morning,

including the new shark warnings as the summer beach season gets underway. We have what you need to know

to keep your family safe. Also ahead here, President Trump's immigration crack down as a federal

appeals court sides with him in California's battle against the deployment of the National Guard

to Los Angeles, the latest overnight on the ongoing protests there.

Yeah, it's been about three weeks of those.

Plus, what you need to know about a cyber security organization's claim

that billions of login credentials may have been leaked as well as cyber attacks on some major corporations.

Yeah, troubling story there.

But we begin here with the weather and that dangerous heat smothering much of the country this weekend. Those record-setting temperatures. I know you're all feeling it. ABC News meteorologist Greg Dutro from WLS in Chicago joins us now with more. Good morning, Greg. Good morning. Yeah, you've put me in the middle of the extreme heat risk across the nation today and it stretches

out off to the east over the next couple of days.

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