Once the Philadelphia region gets past the heat wave, unstable air returns, and the storm door will open through the weekend.

A dangerous heat wave has set in, leaving nearly 150 million people from Texas to Maine under heat alerts on Monday. In some regions of the country, including the Northeast, thermometers are expected ...

People are trying to stay cool in today's humidity, and businesses are preparing for what's to come as we track dangerous heat this week.

Heat warnings, advisories, air quality concerns Multiple weather alerts and advisories are in effect because of the heat wave.

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds between 12 p.m. and 8 p.m. on June 24 between Washington, D.C., and New ...

A potentially record-breaking heat wave is pushing to the East, impacting millions of Americans in several states and cities.

Extreme heat has increasingly proven fatal in the last few decades as sweltering temperatures have become more common. In 2024, a study published in the Journal of the American Medical Association ...

With the first official 100-degree reading in 13 years on Tuesday, Philadelphia broke a 100-year-old record for a daily ...

Another heat advisory from noon until 8 p.m. will make temperatures feel like 99 degrees as far up as Doylestown.

UConn's College of Agriculture, Health and Natural Resources also recommends the use of soaker or drip hoses for one or two ...

The Hidden Heat: A weather secret that could save your life during heat wave We're in the midst of a heat wave this week, Bill Henley explains the importance of staying in the shade and avoiding ...

The first heat wave of summer could bring punishing humidity and triple-digit temperatures to many states east of the Rocky ...