The National Weather Service has issued extreme heat warnings and heat advisories for large swathes of the South, Midwest and Northeast.

Extreme Heat Warning remains in effect until 8 p.m. with heat indices reaching up to 105 degrees, following two consecutive ...

An Extreme Heat Warning is in effect for the majority of the Susquehanna Valley until 8 p.m. The dangerous combination of high temperatures, plus high humidity, will make it feel like 100-105° during ...

Philadelphia is under an extreme heat warning with heat index values up to 105 degrees, advising residents to stay cool and ...

Wednesday will be the 5th and likely final day of New Jersey's record-breaking heat wave, with welcome relief in the forecast.

For Wednesday, the National Weather Service has issued an extreme heat warning for several counties, with heat advisories in effect until 8 p.m. The warning covers an area that includes Franklin, ...

Highs in the 90s with a heat index to 105+ again today. "Pop up" showers/storms possible this afternoon. Highs in the 90s and ...