Territories across the northern hemisphere are suffering through record-breaking heatwaves this summer. Climate scientists are publishing graphs with red lines jagging dangerously upwards as ...

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 ...

This year is on track to become Earth’s hottest on record, surpassing the previous record holder 2023. As the world grapples with its failure to act on climate change, temperatures are projected to ...

ST. LOUIS — St. Louis is expecting its hottest temperatures of the summer this week, but not all 100-degree days are created equal. Things like humidity, cloud cover and wind can all make the weather ...

If you are living in one of many areas of the U.S. currently experiencing a heat wave, your outdoor thermometer may say it's in the 90s, but your local weather station tells you it feels like triple ...

We’ve all heard someone say, ‘It’s not the heat, it’s the humidity.’ Many of us have also seen the heat index on a hot and humid summer day, but what about a wet bulb temperature? Several scales ...

A thermometer covered in a water-soaked cloth that measures humidity is about to become more common in the U.S. Reading time 3 minutes Heatwaves are roasting the entire northern hemisphere this week.

There are a few ways to describe how hot the weather is, like looking at how high the air temperature is. That may not tell you how uncomfortable the heat is. A popular metric is the heat index, which ...