Doctors say just 15 minutes of outdoor activity in this kind of heat can lead to heat stroke, especially without rest, hydration and shade.

Sunday marked the second straight day of extreme heat across the Midwest and East Coast. Heat indexes on Sunday hit 103 F (39 ...

The expansive heat dome will have more than 190 million Americans in the East experiencing temperatures above 90 degrees, but it won’t just be the high temperatures that will make people feel ...

The rare June heat wave broke about 20 records on Sunday and is expected to break more on Monday. According to The Weather ...