The National Weather Service called the forecast for above-average temperatures "the first significant heat wave this season."

More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's the hardest hit areas.

The dangerous and record-shattering heat will shift east by the end of the weekend and the start of next week. Daily record highs are possible from Detroit to Raleigh, North Carol

Millions and millions of Americans are being warned of "dangerous" heat in more than a dozen states as the summer 2025 season officially kicks off. In parts of the Midwest and Mid-Atlantic regions more than 42 million were under extreme heat watches the morning of June 20,

Weather forecasters have warned of extreme and dangerous temperatures as a major heat wave sweeps across the central and eastern U.S. states.

A heat wave with highs between 95 and 100 degrees is likely to stretch across the Midwest to the East Coast. New England is not expected to be spared from such heat in the coming days.

People brave the summer heat in different ways. See photos taken during scorching 2025 temperatures in the United States.

An extreme heat watch has been issued for all of Southeast Michigan Saturday morning through Tuesday evening. Expect high temperatures well into the 90s and heat index temperatures at or above 100 degrees during daytime hours.

The National Weather Service issued a heat advisory at 3:22 p.m. EDT on Friday valid from Saturday 2 p.m. EDT until Sunday 8 a.m. EDT for Midland, Bay, Huron, Saginaw, Tuscola, Sanilac, Shiawassee, Genesee,