Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

The first major heat wave of summer has enveloped much of the midwestern and eastern U.S. in a brutal “dome” of record temperatures and high humidity. The dome phenomenon happens when weather ...

After a few refreshingly cooler days, the summer heat slowly returns. Eventually, the humidity joins in, too.Wednesday starts in the low 50s, with partly cloudy skies. It will be sunny and a little ...