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

Potentially dangerous heat will take hold in York County starting this weekend. Meteorologist David Martin, of the National Weather Service in State College, said high temperatures in the 90s could ...

Summer is near in Philly and so is the first heat wave. Here's what you need to know about the incoming 'heat dome', from ...

Temperatures are forecast to be between 90 and 95 degrees Saturday and Sunday with dew points in the lower 70s.

The first of two rounds of extreme heat is underway for parts of the eastern half of the US, the opening act for a potent and widespread heat dome that will send temperatures to dangerous, ...

While “heat dome,” isn’t an official National Weather Service term, Outlaw said, these kind of heatwaves are common for the ...

Heat indexes -- a measure of how hot it feels factoring in humidity -- could near 110 degrees Monday through Wednesday.

The National Weather Service predicts the first 90-degree day will be on Sunday, with a high of 93 degrees, while AccuWeather ...

A heat advisory is issued within 12 hours of extreme heat conditions. Typically, the heat index will be above 100 degrees and the nighttime air temperature will not ...

Take action when you see symptoms of heat exhaustion and heat stroke.

Extreme heat warnings are in effect across Arizona and Nevada, raising concerns for children's health. Heat advisories span ...