The United States is bracing for chaotic weather this week, with the South set to experience another heat wave following a short respite from searing temperatures earlier this month. The National Weather Service expects some areas to reach temperatures so high they'll hit new daily records.
And it's not just the U.S. Across the Northern Hemisphere, in Europe and Asia, extreme temperatures are causing deadly heatstroke and early wildfires ahead of the start of the astronomical summer on Thursday.
