This article was originally published by The Conversation. Beach trips, cookouts and other outdoor activities are in full ...

As we approach summer, high heat becomes a concern as heat exhaustion and heat stroke are possible. Plus, heat related deaths ...

The first big heat wave of 2025 has arrived, coinciding with the official start of summer. More than 40 million people in the U.S. were under heat alerts Friday, according to the National Weather ...

You might've heard the phrase "it's not the heat, it's the humidity." However, when it comes to calculating the heat index, you need both values. As temperatures begin to climb towards the lower 90s ...

The southern stretch of Alabama is heating up fast. By Saturday, June 7, the city will move into the danger zone on the heat index. By Sunday, the extreme heat is forecast to spread east along the ...

Below is a chart of the Heat Index using the measured air temperature and dew point. As one or the other increases, so does the heat index. Values above 100 degrees can quickly become dangerous if ...

As the summer solstice marks the official start of summer, southeast Texas is experiencing sweltering conditions with ...

Hot, humid weather is expected this week in Illinois, with high heat indexes and scattered storms likely. Here's the forecast.

One is the heat index chart, which lets you match the air temperature with the relative humidity to see what it feels like outside. Another is the heat index calculator, where you can enter the ...