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

Overhead power lines—called catenary wires—are especially susceptible to temperature swings. Amtrak trains operating on the ...

The NWS says the Plains and the Midwest region will see the "hottest temperatures of the season" this weekend.

Good Friday morning and it’s a great morning as the Pacers force a game 7! Temperatures out the door this morning are sitting ...

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

A team of 60 international scientists report that by early 2028 society will have emitted enough greenhouse gases that the ...

Several states are expecting extreme heat, with the heat index, or feels-like temperature, surging past 100 degrees.

Temperatures are expected to reach the mid 90s for several days beginning Saturday, according to the National Weather Service ...

Franklin High School will hold a graduation Saturday at American Family Field during extreme heat. Accomodations are being ...

Heat is the #1 concern through early next week. Today through Sunday will have heat indices in the upper 90s to as hot as ...