A record-breaking heatwave is scorching half of the United States as summer begins. Temperatures are forecast to reach up to 45°C (113°F) with the heat index, impacting the central and eastern regions of the country. The extreme weather is expected to persist through Saturday evening. This heatwave coincides with ongoing celebrations for the 250th anniversary of US Independence and the FIFA Women’s World Cup. Authorities are urging citizens to take precautions against heat-related illnesses. The heat mirrors similar record temperatures currently being experienced in parts of Europe. The duration and intensity of the heat are raising concerns about public health and infrastructure.