Tonight the record-breaking heat wave threatening millions of Americans the heat

dome in the West driving temperatures to new highs.

111 degrees in Las Vegas, 113 in Phoenix, the new ice immersion bags, first responders are using to save

lives.

We're tracking the danger.

Also tonight, President Biden's speech in the cliffs of Normandy, urging Americans to protect democracy.

Plus his meeting with Ukraine's President Zelensky and what he apologized for.

Just in after his New York rape conviction was overturned the new twist in Harvey Weinstein's

Los Angeles case.

Supreme Court Justice Clarence Thomas for the first time disclosing two luxury vacations paid for by a GOP mega donor and what

the other justice is disclosed including book deals and Beyoncé tickets.

Hunter Biden tearing up as his daughter takes the stand.

What she told the jury about his efforts to get sober before buying the gun at the center

of the case.

The outrage in Israel, the UN adding it in Hamas to a black list of those who harm children

in war zones.

This is NBC Nightly News with Lester Holt. Good evening and welcome in this season of extremes and heightened weather danger

we've witnessed these last several weeks.

It's now the crippling heat we're watching tonight taking hold across a wide stretch of the southern tier

putting 21 million people under heat alerts today.

In the past 24 hours, triple digit temperatures being recorded in places that include Phoenix and Las Vegas.

Near record high temperatures could occur as far east as Miami.

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