Heat Dome Hits US: 80 Million Under Warnings as Temperatures Near 45°C

The US National Weather Service has issued extreme heat warnings for approximately 80 million people in the central United States. The heat dome — a high-pressure system trapping hot air — is expected to persist for several days, with temperatures potentially reaching 45 degrees Celsius in some areas. Authorities are urging residents to take precautions as the dangerous conditions continue.