Extreme Heat Alerts Issued Across Multiple Regions in US, Canada, and UK

Dangerous heat conditions are affecting large parts of the United States, with Extreme Heat Alerts and Advisories issued for Washington D.C., Arlington, Coachella Valley, Santa Ana Mountains, central and southern Minnesota, and north and central Georgia, where heat index values are expected to reach or exceed 105-110 degrees Fahrenheit. In Canada, extreme heat warnings are in place across Ontario, Manitoba, Saskatchewan, and the Northwest Territories, with humidex values making it feel like the mid-40s Celsius. The UK is also experiencing a prolonged heatwave with yellow heat health alerts, and temperatures forecast to remain above 30 degrees Celsius in parts of England and Wales.