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

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, ...

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

Damaging winds, some hail and a few tornadoes are possible in Louisville. Skies will clear this weekend, but a strong heat ...

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 ...

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

El Paso faces a heatwave with temperatures reaching 105°F, followed by chances of showers and thunderstorms over the weekend.

The National Hurricane Center is monitoring three tropical waves in the Atlantic basin. Tropical wave 1: An eastern Atlantic ...

NWS issues severe weather forecast for Washington D.C., with thunderstorms and high heat index warnings for the coming days.