The intensifying and expansive heat wave affecting around 150 million people in the United States from Wisconsin to Washington, DC, bears the hallmarks of human-caused global warming. Hundreds of ...

OK. One of the times I went running this week in our nation's capital, it was early in the morning but already 82 degrees and 82% humidity. Washington, D.C., has had daytime temperatures over 100 this ...

Forecasters predict the worst of a record-setting heat wave may soon be over — but millions still need to take precautions to stay safe from dangerous heat. The most significant heat conditions are ...

City officials, residents and researchers gathered at Columbus Park in the Austin neighborhood Tuesday night to remember the deadly heat wave 30 years ago — and to plan how to prevent future heat ...

A "heat dome," similar to a heat wave, is a high-pressure system trapping hot air and causing prolonged high temperatures. Heat domes differ from heat waves in their duration and the stagnant nature ...

The season’s most dangerous heat wave so far is expected to hit Southern California this week. Extreme heat and fire weather advisories have been issued beginning Wednesday, set to last for several ...

The prolonged, dangerous heat wave is expected to begin broiling much of Southern California on Wednesday, peaking Thursday, Friday and Saturday. A red flag warning has been issued for Los Angeles and ...