Severe and extreme heat-related impacts are expected across a wide swath of the U.S. this weekend and next week.

Land surface temperature (LST) is a critical parameter for understanding Earth's energy balance and monitoring climate change ...

Rather than constantly yo-yoing with your thermostat, a consistent temperature is the best approach. The U.S. Department of ...

How is the heat index calculated, and why is it more important than the air temperature during some heat waves?

At least 130 million people from Texas to Maine are under alert for dangerous heat and humidity over the next few days.

A Heat Advisory is in effect from noon to 9 pm Thursday. Expect heat index values up to 107 with temperatures of 99 to 103.

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.