After an unrelenting period of summer humidity and heat that stretched mid-June through July, the first week of August brought below-average temperatures to more than 240 million people across the ...

The first heat wave of Summer 2025 is about to hit Eastern Canada, with temperatures climbing to the mid-30s early next week. Add the humidity from a wet spring and it will feel even hotter. We’d ...

*A powerful heat dome will settle over the east-central U.S. starting early next week, lasting through the end of July 2025. This dangerous system will trap hot air over a wide region, sending ...