The National Weather Service sent out millions of extreme heat warnings, heat watches and heat advisory alerts early Monday ...

On Wednesday at 1:55 a.m. a heat advisory was released by the National Weather Service valid for Thursday between 10 a.m. and ...

A heat advisory is in effect for the Philadelphia area with potential heat indices up to 103 degrees, urging precautions ...

How hot will it get as the humidity builds and a heat dome spreads toward the Northeast? What is a heat dome? Here's what to know and what it means.

A heat advisory is in place across the Northeast, from Maryland to Maine, where residents are bracing for temperatures 5 to 15 degrees above average.

Thursday could bring the hottest weather of the week to Philadelphia, with temperatures in the mid-90s, high humidity and possibility of rain in the evening.

Almost 85 million Americans from South Dakota to Texas and North Carolina to Florida are already under extreme heat warnings, ...

It's a NEXT Weather alert day as heat and humidity soar Thursday and it will feel like 105 in some areas. Meteorologist Kate ...

A NEXT Weather Alert is in place Thursday in the Philadelphia area because of feels-like temperatures that will soar to near ...

Another hot and muggy summer day is ahead for Philadelphia and its suburbs, with late-day soaking scattered showers that could cause flash flooding in some areas.

Delaware County forecast shows a replay as well on Monday and Tuesday: not quite fall-like weather but a respite from the ...