The Delaware Valley is under an extended heat advisory with potential heat index values up to 99 degrees, prompting health ...

On Wednesday at 7:55 a.m. the National Weather Service issued a heat advisory valid for Thursday between 11 a.m. and 8 p.m.

Arizona remains under the most extensive hot weather warnings, with temperatures in the Phoenix metro area expected to reach ...

Dangerous heat and chances of strong afternoon and evening storms are on their way to New Jersey for Wednesday and Thursday.

The Lower Hudson Valley can expect a warm and wet week, with chances for thunderstorms and extreme heat, according to a NWS ...

A heat advisory has been issued for Lehigh and Northampton counties, with temperatures expected to climb into the upper 80s and potentially reaching 90 degrees, accompanied by a high risk of afternoon ...

A heat advisory is in effect through Wednesday for portions of SoCal. Highs in the forecast include 118 degrees in Palm ...

An Excessive Heat Warning is issued when heat index values are expected to exceed 110F for more 2 hours or more. It is possible we see Heat Advisories and/or Excessive Heat Warnings issued at some ...

The hottest areas today will be L.A. County valleys and the Inland Empire, where temperatures will be in the high 90s and up ...

A dangerous combination of extreme heat and severe weather will hit New Jersey and eastern Pennsylvania starting Wednesday, ...

The criteria to issue a heat advisory, excessive heat watch and excessive heat warning is not clear-cut in NJ. Here's maps, ...

For the first time ever, parts of Alaska have been under a heat advisory — but you can put an asterisk at the end of that ...