But it's not just about a number on a thermometer: The USA's ongoing heat wave has also been deadly. At least 30 fatalities across the West this month are suspected to be related to extreme heat ...

Heat alerts are in effect for 16 states from Maine to Kentucky as the dangerous heat wave continues. Boston and Manchester, New Hampshire, both reached a record high of 98 degrees on Wednesday.

A heat wave was expected to bring record-high temperatures to the midwestern United States this week before spreading to the East Coast, forecasters said. At the same time, a bout of severe ...

In most parts of the United States, temperatures must be above the historical average in an area for two or more days before the label “heat wave” is applied. By Adeel Hassan and Derrick ...

Heat cramps, painful muscle cramps and spasms, usually in the legs and abdomen, may also be a symptom of heat exhaustion.

Here are few ways to stay safe during this heat wave. Rittenberger said extreme heat can have an additional impact on people who are on prescribed medications that could possibly impact their ...