Maps show where extreme humidity and 90- or 100-degree temperatures will affect around 255 million people across the United ...

The National Weather Service issues excessive heat warnings when heat index values are set to reach or surpass 110 degrees ...

"It has been a while since we have experienced extremely dangerous heat so the risk of heat-related illnesses will be ...

The first big heat wave of 2025 has arrived, coinciding with the official start of summer. More than 40 million people in the ...

Rising risk of damaging thunderstorms, torrential downpours in Upper Michigan late Friday night -- before first major summer ...

Solstice! The official start of the summer season is upon us Friday, and with that, a gem of a weather day — before the heat and humidity crank up with a vengeance starting this weekend. Unlike our ...

Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and ...

This latest bout of severe weather began in the Plains Monday and Tuesday, where it produced tornadoes, huge hail and high ...

On Monday, the Muscatine County Board of Supervisors heard a presentation from William Cowell de Gruchy, who hopes to ...

Environmental groups and Michigan AG Dana Nessel file challenges against a federal order to keep the Campbell coal plant open ...