Summer is near in Philly and so is the first heat wave. Here's what you need to know about the incoming 'heat dome', from ...

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

Heat indexes -- a measure of how hot it feels factoring in humidity -- could near 110 degrees Monday through Wednesday.

Damaging winds, some hail and a few tornadoes are possible in Louisville. Skies will clear this weekend, but a strong heat ...

The first significant heat wave of the summer is taking aim at a huge chunk of the United States later this week, and ...

A heat advisory is issued within 12 hours of extreme heat conditions. Typically, the heat index will be above 100 degrees and the nighttime air temperature will not ...

NWS issues severe weather forecast for Washington D.C., with thunderstorms and high heat index warnings for the coming days.

Heat indices could spike into the triple digits on June 22 and June 23 as both the temperature and humidity reach their ...

Heat wave in southcentral Pennsylvania to begin this weekend. The National Weather Service predicts the first 90-degree day ...

El Paso faces a heatwave with temperatures reaching 105°F, followed by chances of showers and thunderstorms over the weekend.

NJ's first heat wave of 2025 is coming. The heat index "most likely" will reach near 110 in some spots. Here's the timing, ...