The heat wave could break some long-standing records, with Monday and Tuesday's predicted high of 94 degrees surpassing ...

The first major U.S. heat wave of the year starts on Friday. It brings dangerously high temperatures and is expected to last ...

A “significant and extremely dangerous heat wave” is expected to send temperatures soaring across much of the United States ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect around 255 million people across the United ...

Millions of Americans are facing oppressive heat, with forecasters expecting a "heat dome" to develop over parts of the ...

Heat is the number one killer -- and it’s heading to the most densely populated part of America for a prolonged period.

Some parts of the U.S., such as Phoenix, Arizona, are famously hot without the mugginess. Phoenix and nearby desert regions ...

The heat dome will bring the first scorching summertime weather of the year for most people in the Midwest and Northeast.

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 Kansas City region will see temperatures leap into the 90s on Friday, and stretching through next week. Whether you're ...

So far, June has been wet in Southwestern Pennsylvania, with excessive rainfall leading to flooding and saturated ground. But ...

Millions of people across the northern tier of the U.S. are under heat alerts as a sprawling high pressure system, also known ...