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People cool off in the Whitewater River in Whitewater, California. Photo: Mario Tama/Getty Images

More than 30 million Americans were under excessive heat warnings or advisories across the West on Saturday, as forecasters warned of more record high temperatures.

Of note: McCarran International Airport tied Las Vegas' all-time record highest temperature of 117°F on Saturday evening, per a National Weather Service statement. Flights were canceled at the airport Friday as the temperature hit 116°F.

A tweet previously embedded here has been deleted or was tweeted from an account that has been suspended or deleted.
  • California's Death Valley hit 129.4°F Saturday and 130°F on Friday, with the NWS warning it could reach 130°F again Sunday — marking some of the hottest temperatures ever reliably recorded on Earth.
  • The World Meteorological Organization, which officially declares temperature records, is in the process of examining whether last year's temperature of 130°F in Death Valley was Earth's hottest recorded temperature since at least 1931, the Washington Post notes.

What else is happening: California's power regulator and Nevada public utility NV Energy asked people to conserve power, as the states were hit by triple-digit temperatures.

  • The extreme heat is spurring wildfires across several U.S. states and Canada, triggering evacuations in California, Oregon and Idaho, and British Columbia.
  • Two Arizona firefighters died when their aircraft crashed while responding to a wildfire in Mohave County.

By the numbers: Other notable temperatures in California on Saturday included Pine Flat hitting 113°F and Fresno reaching 110 °F.

Our thought bubble, via Axios' Andrew Freedman: The ongoing heat wave is the latest in a series of extreme heat events to hit the West so far this spring and summer. In a vicious feedback, the intense drought is helping to vault temperatures higher, while the heat is worsening the drought at the same time.

  • Human-caused climate change is dramatically boosting the odds and severity of heat waves such as this one. A study out this week on the Pacific Northwest heat event concluded it would have been "virtually impossible" without global warming.

For the record: North America experienced its hottest June on record last month, as a deadly heat wave struck the Pacific Northwest.

Go deeper: Extreme heat has killed an estimated 1 billion small sea creatures

Editor's note: This article has been updated with new details throughout.

Go deeper

Updated Sep 10, 2021 - Science

Category 5 Super Typhoon Chanthu heads for direct hit on Taiwan

Category 5 Super Typhoon Chanthu seen in an infrared satellite image Friday, Sept. 10. Photo: CIRA/RAMMB

Super Typhoon Chanthu, which has maintained an extreme intensity for days, is slated to make a direct hit on Taiwan beginning Saturday, local time.

Why it matters: The storm, which currently features maximum sustained winds of 180 mph, making it a fearsome Category 5, could cause significant damage as it moves across the highly populated island from south to north.

GOP Rep. Gonzalez retires in face of Trump-backed primary

Ohio Rep. Anthony Gonzalez (R) Photographer: Stefani Reynolds/Bloomberg via Getty Images

Ohio Rep. Anthony Gonzalez (R) announced his retirement on Thursday, declining to run against a Trump-backed primary challenger in 2022.

Why it matters: Gonzalez has suffered politically since siding with House Democrats to impeach the 45th president after the Capitol riot.

Swing voters oppose Texas abortion law

Protesters at a rally at the Texas State Capitol. Photo: Jordan Vonderhaar/Getty Images

All 10 swing voters in Axios’ latest focus groups — including those who described themselves as "pro-life" — said they oppose Texas' new anti-abortion law.

Why it matters: If their responses reflect larger patterns in U.S. society, this could hurt Republicans with women and independents in next year's midterm elections. The swing voters cited overreach, invasion of privacy and concerns about frivolous lawsuits jamming up the courts.