Dangerous hot temperatures will linger across the country from California all the way to New England impacting 94 million people with some places reaching well into the triple digits. NBC's Ryan Hanrahan tracks the latest forecast on Sunday TODAY. The U.S. Olympic swim finals are winding down as the track and field trials are heating up. Sprinting sensation Sha'Carri Richardson flew to victory, marking her second chance after she was Tokyo-bound before testing positive for THC. NBC's Jesse Kirsch reports for Sunday TODAY. Taylor Swift took a selfie backstage with Prince William and two of his three kids, Prince George and Princess Charlotte. The Royal Guard marked the first leg of Swift's eight-night sold-out run at Wembley by playing "Shake It Off" during a changing of the guard outside Buckingham Palace. Lynn Conway, the woman who blazed a trail in supercomputing all while being forced to keep a part of her life secret, has died at 86. Conway was among the first Americans to undergo transition surgery and became a prominent activist for trans rights. NBC's Joe Fryer remembers a life well lived on Sunday TODAY.NBC's Joe Fryer runs through the Highs and Lows of the week on Sunday TODAY including an influencer's hot dog fail caught on camera, a group of goats' day of fun at an amusement park and more!