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Photo: Drew Angerer/Getty Images

Get familiar with the concept of a "record-high nighttime low" temperature.

What's happening: This weekend's heat wave threatens to smash records nationwide, a dangerous situation for humans and animals alike.

  • Humidity "levels will make it feel as hot or hotter than the Southwest in parts of the Central and Eastern states,"according to Accuweather.

Why it matters: It can become very dangerous when temperatures don't cool down at night, meteorologists tell the AP. Parts of the East Coast won’t drop below the mid- to upper-70s or even 80s at night.

The big picture: "Hot weather is nothing new, of course," the New York Times reports, "especially in July. But climate change is making heat waves like this one more common."

Between the lines: This could also take a toll on flood-ravaged farms.

  • The "floods of the spring that delayed U.S. planting have meant plants have shallower roots and this is exacerbating the impact of the heat," per Bloomberg.
  • "Normally, it would take four or five days of temperatures in the 90s to stress crops ... [when] the root systems are as shallow as they are this year it only takes a day or two."

The bottom line: This wouldn't be a bad weekend to check up on your neighbors and family, particularly the elderly.

Go deeper: All the global temperature records broken in 2019, so far

Go deeper

Updated 18 mins ago - Politics & Policy

Celebrities are America's new politicians

Illustration: Annelise Capossela/Axios

Launching gubernatorial bids, making presidential endorsements, founding schools: Celebrities are getting increasingly involved in U.S. public and political life.

Why it matters: As we've reported, politics is no longer just the purview of career politicians, as companies and their CEOs throw their weight around to affect policies. Now, movie stars, famous musicians and professional athletes also are using their influence in politics.

Updated 19 mins ago - Sports

Baseball's minor leaguers get a major win

Illustration: Sarah Grillo/Axios

Starting next season, MLB teams will be required to provide housing for minor league players.

Why it matters: "This is a historic victory," Harry Marino, director of the nonprofit Advocates for Minor Leaguers, told ESPN. It's also just the beginning of a fight for improved quality of life.

Trump blasts “wacky” GOP Sen. Cassidy after “Axios on HBO” interview

Former President Trump on Monday blasted Sen. Bill Cassidy (R-La.) after he told "Axios on HBO" that he is not sure Trump could win the 2024 Republican presidential nomination.

Driving the news: When told that Trump could be expected to win the nomination, Cassidy jumped in saying: "I don't know that."