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,

Millions of Americans are facing oppressive heat, with forecasters expecting a "heat dome" to develop over parts of the county over the weekend and through next week. The National Weather Service (NWS) warns that heat related illnesses increase significantly during extreme heat events.

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 advisory was issued by the National Weather Service on Friday at 3:18 p.m. EDT valid from Saturday noon EDT until Sunday 8 p.m. EDT for Mason, Lake, Osceola, Clare, Oceana, Newaygo, Mecosta, Isabella,

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.