More than 150 million Americans are under the highest-level extreme heat alerts during a wave of above-average temperatures.

A multiday heat wave is bringing high temperatures and health risks from the Midwest to the Northeast, prompting warnings and ...

A "heat dome" developing on the East Coast could send temperatures to 100 degrees in Boston next week. As a result, an ...

Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and East Coast.

Extreme humidity and heat will affect about 265 million people across the country this week. Maps show where and when to ...

High temperatures across the Plains, Midwest, Mid-Atlantic and Northeast are expected to hit at least 15 degrees above normal ...

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s ...

Just in time for the start of summer on June 20, a heat wave is expected to scorch a large section of the United States, ...

The states that are most likely to experience colder temperatures are Idaho, Montana, Wyoming, Utah, Nevada and Arizona. A map of the United States showing which states can expect colder than ...

A handful of states could be spared. The weather maps show the West Coast, Pacific Northwest, and parts of North Dakota and Minnesota have equal chances of having normal weather, hotter than ...