The National Weather Service issued a heat advisory at 12:09 p.m. on Sunday valid for Monday between 11 a.m. and 6 p.m. for ...

High heat and some storms persist in the forecast Sunday, as a heat advisory remains in place for much of the day.

A sunny, hot, and humid weekend is ahead for Jacksonville, with heat index values soaring in triple digits. When will ...

High temperatures and humidity are expected to produce potentially dangerous heat index values through Monday.

Air temperature, dew point, heat index… all words that are thrown around by the K-X Storm Team during the heat of summer.