Dangerous Heatwave Is Building, Will Bring Oppressive Temperatures to Much of the US

Visitors use fans as as they wait to enter the Washington Monument, July 1, 2026, in Washington. (AP)
Visitors use fans as as they wait to enter the Washington Monument, July 1, 2026, in Washington. (AP)
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Dangerous Heatwave Is Building, Will Bring Oppressive Temperatures to Much of the US

Visitors use fans as as they wait to enter the Washington Monument, July 1, 2026, in Washington. (AP)
Visitors use fans as as they wait to enter the Washington Monument, July 1, 2026, in Washington. (AP)

A widespread and dangerous heatwave is building across the US, with triple-digit highs expected in the Southwest and Great Plains this weekend before spreading eastward under a dome of high pressure that meteorologists say could trap oppressive temperatures for a week or more.

Forecasters are advising people to stay hydrated and find places to cool off, warning of temperatures 15 to 25 degrees Fahrenheit (8 to 14 degrees Celsius) warmer than normal in many areas, including at night — especially bad for people's health because their bodies won't have a chance to recover. The heat dome is expected to affect as much as two-thirds of the continental United States.

“The heat doesn’t necessarily stop when it’s dark out,” said Josh Adam, a meteorologist with the National Weather Service in Bismarck, North Dakota, where temperatures will surpass 100 F (37 C) until Tuesday. That is a dramatic spike for a state where summer temperatures are typically in the 80s, he said.

The National Weather Service predicts that more than 90 US local temperature records will be tied or broken through Wednesday — with two-thirds of those being overnight heat records. Temperatures won’t drop below 80 F (27 C) at night in Fort Lauderdale, Florida; Miami; Tampa, Florida; Galveston, Texas; and Charleston, South Carolina, according to the forecast.

The current heat dome — formed when high pressure traps hot air while blocking cooling winds and rain — is one of the strongest to affect the Dakotas in 25 years, said Chad Merrill, a senior meteorologist with AccuWeather.

Forecasters expect record triple-digit highs this weekend in Nevada, Utah, Colorado, Wyoming, Idaho, Montana, North Dakota and South Dakota.

Nevada, a state accustomed to hot weather, is even hotter than normal, said Andrew Gorelow, a meteorologist with the National Weather Service in Las Vegas. The temperature in Las Vegas is expected to hit 111 F (48 C) on Saturday, Gorelow said.

Hydrating and finding cool spaces is critical, experts said.

They also warn the heat could spike fire risk to some parts of the country that already are dry, including the Rockies, where Merrill said dry thunderstorms could develop.

Climate change from the burning of coal, oil and natural gas is causing more intense and longer-lasting heatwaves that cover larger areas, scientists say.

This year's temperatures also are expected to be affected by El Nino, a natural warming of the equatorial Pacific that alters weather patterns and spikes temperatures across the globe.

The current El Nino — which formed last month and is too young to have affected this heatwave much — is expected to rank as among the most intense since the weather service began tracking them in 1950, experts said.

It has an 81% chance of becoming “very strong” — the top category — by fall, the US National Oceanic and Atmospheric Administration said Thursday.



In First, French Presidential Candidate Gives Birth During Campaign

Marine Tondelier, National Secretary of Les Ecologistes (the Ecologists - EELV - French Green Party) party arrives for a meeting with French President Emmanuel Macron about the situation in the Middle East and Ukraine and their consequences for France's security and energy supplies, at the Elysee Palace in Paris, France, September 18, 2026. REUTERS/Sarah Meyssonnier
Marine Tondelier, National Secretary of Les Ecologistes (the Ecologists - EELV - French Green Party) party arrives for a meeting with French President Emmanuel Macron about the situation in the Middle East and Ukraine and their consequences for France's security and energy supplies, at the Elysee Palace in Paris, France, September 18, 2026. REUTERS/Sarah Meyssonnier
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In First, French Presidential Candidate Gives Birth During Campaign

Marine Tondelier, National Secretary of Les Ecologistes (the Ecologists - EELV - French Green Party) party arrives for a meeting with French President Emmanuel Macron about the situation in the Middle East and Ukraine and their consequences for France's security and energy supplies, at the Elysee Palace in Paris, France, September 18, 2026. REUTERS/Sarah Meyssonnier
Marine Tondelier, National Secretary of Les Ecologistes (the Ecologists - EELV - French Green Party) party arrives for a meeting with French President Emmanuel Macron about the situation in the Middle East and Ukraine and their consequences for France's security and energy supplies, at the Elysee Palace in Paris, France, September 18, 2026. REUTERS/Sarah Meyssonnier

French Greens leader and candidate in the 2027 presidential election Marine Tondelier said Wednesday she had given birth to a son, emphasizing that she would press on campaigning while prioritizing the health of her child.

Tondelier, 40, was the first candidate in French politics to campaign while pregnant and, while acknowledging the challenges, she had expressed hope it would push issues including infertility and motherhood up the agenda.

Her boy Leon was born in Lens in northern France on September 18, Tondelier told AFP, saying the family had kept the news private for a few days.

He was born hours after Tondelier as Greens chief had attended a rare meeting at the Elysee Palace where President Emmanuel Macron had warned France's political leaders over the risk of Russian hybrid attacks.

She told AFP that the birth had gone "very well," adding that she would be "working differently" for a while and "trying to figure out how to balance a presidential campaign with a newborn, whose health and well-being come first."

Already the mother of a 7-year-old boy, Tondelier was confirmed as the candidate for the Greens on Monday. In December, the party will decide whether to maintain her candidacy or withdraw and throw the party's weight behind another left-wing figure.

Polls currently show Tondelier, who has the slogan "another Marine is possible!" in reference to far-right frontrunner Marine Le Pen, lagging well under five percent in the first round of voting.


Voting Opens in Alaska's Annual Fat Bear Week

A brown bear eats his catch while fishing for salmon in Brooks Falls, Alaska on August 12, 2023. (Photo by JOHN MOORE / GETTY IMAGES NORTH AMERICA / AFP)
A brown bear eats his catch while fishing for salmon in Brooks Falls, Alaska on August 12, 2023. (Photo by JOHN MOORE / GETTY IMAGES NORTH AMERICA / AFP)
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Voting Opens in Alaska's Annual Fat Bear Week

A brown bear eats his catch while fishing for salmon in Brooks Falls, Alaska on August 12, 2023. (Photo by JOHN MOORE / GETTY IMAGES NORTH AMERICA / AFP)
A brown bear eats his catch while fishing for salmon in Brooks Falls, Alaska on August 12, 2023. (Photo by JOHN MOORE / GETTY IMAGES NORTH AMERICA / AFP)

Polls opened Tuesday in the only American election that really matters: Fat Bear Week.

While the United States might be gearing up for midterm ballots that will decide who runs Washington, hundreds of thousands of people were readying to vote on animals gorging themselves in rural Alaska.

In a contest that has rapidly become one of the internet's favorite moments, the brown bears of Katmai National Park unwittingly compete in a series of head-to-head contests to see which one of them has most impressively piled on the pounds ahead of hibernation.

Viewers can watch a livestream of the enormous animals as they scoop salmon from the Brooks River, or browse biographies of some of the top contenders, including before-and-after pictures showing how much weight the bears have gained over a summer of feasting.

"For each match-up, vote for the bear you believe best exemplifies fatness and success in brown bears," said organizers, according to AFP.

"The bear with the most votes advances to the next round. Only one will be crowned Fat Bear Week champion."

Last year's winner, Chunk, beat out a stiff challenge from two-time winner Grazer.

Summer and early autumn are key fueling periods for the brown bears, which will not eat for five months of hibernation, relying on their store of fat to survive the punishing Alaskan winter.

The online contest began in 2014 with just a few thousand people voting, but has now turned into an eagerly awaited exercise in tongue-in-cheek democracy with more than a million people voting every year.

The aim is to raise awareness of brown bears and their habitat in Alaska, and the risks they face from human activity.


Another Beluga Whale Dies at Chicago Aquarium after Rescue Mission from Canada Park

This photo provided by Shedd Aquarium shows a beluga whale named Osiris at Shedd Aquarium in Chicago, Aug. 20, 2026. (Rachel Mittelstaedt/Shedd Aquarium via AP)
This photo provided by Shedd Aquarium shows a beluga whale named Osiris at Shedd Aquarium in Chicago, Aug. 20, 2026. (Rachel Mittelstaedt/Shedd Aquarium via AP)
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Another Beluga Whale Dies at Chicago Aquarium after Rescue Mission from Canada Park

This photo provided by Shedd Aquarium shows a beluga whale named Osiris at Shedd Aquarium in Chicago, Aug. 20, 2026. (Rachel Mittelstaedt/Shedd Aquarium via AP)
This photo provided by Shedd Aquarium shows a beluga whale named Osiris at Shedd Aquarium in Chicago, Aug. 20, 2026. (Rachel Mittelstaedt/Shedd Aquarium via AP)

A third beluga has died at a Chicago aquarium after being rescued this summer from a shuttered Canadian marine park in a complex international operation that moved 30 whales to aquariums in the US and Spain.

Osiris, a 26-year-old female whale, died on Monday, Chicago's Shedd Aquarium said in a statement. The death comes less than a week after a fourth beluga, named Jelly Bean, died since it was rehomed at Oceanogràfic de València in Spain.

The deaths were sudden and unexpected as their health wavered amid the challenges of adjusting to a new home, according to statements from the aquariums.

Beluga whales are particularly vulnerable to changes in their environment, like climate change, pollution and other sources of stress, according to the National Oceanic and Atmospheric Association. Beluga whales native to the Cook Inlet on Alaska's coast are classified as an endangered species, and their population rapidly declined by nearly 80% from 1979 to 2018.

“When Shedd was asked to help with this rescue, we understood that these animals arrived with significant vulnerabilities and that the outcome for every individual could not be guaranteed,” The Associated Press quoted the Shedd Aquarium as saying in a statement.

The Shedd Aquarium took in 10 of the 30 belugas and four dolphins stranded at Marineland, an Ontario park that closed years ago and could no longer care for them. The Canadian government signed off on a last-minute agreement to move its last captive whales out of the country earlier this year, saving them from euthanasia.

The belugas came from the Marineland park and zoo in Niagara Falls, Ontario, which announced in early 2023 that it was for sale and closed to the public in late summer 2024.

Twenty whales — 19 belugas and one killer whale — had died at Marineland since 2019, according to provincial government data obtained through freedom of information laws and official statements.

The rescued belugas were moved in custom-made slings and temperature-controlled containers, Shedd staff told The Associated Press. Aquarium personnel traveled to Marineland to examine their health records in preparation for the move. They have monitored their health minute-by-minute since they arrived, the aquarium staff said.

Peekachu and Rain died at the Shedd in late August and early September after arriving from Canada. Another beluga that had lived at the aquarium for decades died around the same time.

Osiris was a “whale of clinical concern” since she arrived, according to the aquarium. The whale did not eat as consistently as her fellow animals, which complicated the efforts to keep her well-fed and hydrated, according to the statement.

“Osiris experienced periods of meaningful progress, both nutritionally and socially, but her overall condition remained closely monitored,” the aquarium stated.

Osiris' caretakers noticed sudden changes in her behavior and breathing patterns the morning of her death, according to the aquarium. She was moved to the medical habitat, but “her condition declined rapidly,” and she “passed away despite lifesaving efforts.”

A beluga sent to Spain died suddenly Jelly Bean, the whale that died at Oceanogràfic de València, also died “suddenly and unexpectedly,” according to José Rafael Serra, a spokesperson for the facility. The whale “experienced feeding difficulties, prompting the veterinary team to intensify her monitoring,” despite periods of improvement, Serra said in an email.

The Spanish aquarium took in two of Marineland's beluga whales, including Jelly Bean. The Georgia Aquarium and SeaWorld locations in San Diego and San Antonio have also accepted whales from the Canadian park.

The two rescued whales at the Georgia Aquarium showed decreased appetites and were examined, but no issues were found, the aquarium said in a social media post Friday. The whales at SeaWorld are in “stable health,” according to AnneMarie Iturrizaga, a spokesperson for the company that owns the parks.

The Shedd Aquarium notified the NOAA of Osiris’ death Monday, according to John Chu, a spokesperson for NOAA Fisheries. Within 30 days of the whales’ deaths, the aquarium must formally submit their names and causes of death, and on request, provide copies of necropsy reports, Chu said in an email earlier this month.

The Shedd Aquarium said it will conduct necropsies into the whales and will share the results when they are confirmed.

Andrew Trites, the director of the University of British Columbia’s Marine Mammal Research Unit, said it was concerning that the four belugas had died “so shortly after arriving in their new homes."

The belugas were in small, confined spaces on the flights out of Marineland, but that's not out of the ordinary for them, Trites said. The whales often swim in narrow spaces between sheets of ice, and “should be reasonably well adapted to that sort of condition,” he said.

“Four animals have died so shortly after arriving in the new homes, and that’s what stands out to me as being surprising," Trites said.