The US’s June heatwave is a dangerous start to summer and about to get hotter

<p>Extreme heat is bringing a stifling, dangerous, start to summer across much of the eastern US this week</p><p>A rare June heatwave is bringing a stifling, dangerous, start to summer across much of the eastern US this week, with forecasts for temperatures to get even hotter on Tuesday.</p><p>On Monday, just the second day of summer, the National Weather Service placed extreme heat warnings in effect from the Carolinas to Maine, advising against any outdoor activities under the conditions.</p><p><em>Eric Holthaus is a meteorologist and climate journalist based in Minnesota</em></p> <a href="https://www.theguardian.com/us-news/2025/jun/24/june-heatwave">Continue reading...</a>