The National Weather Service issued a heat advisory at 11:32 a.m. on Monday valid for Tuesday between 10 a.m. and 7 p.m. for ...

The heat index considers the actual temperature and amount of moisture in the air using the dew point or relative humidity.

A heat advisory has been issued for Miami-Dade and Broward counties for Monday and will be in effect noon to 6 p.m. South ...

A heat advisory was released by the National Weather Service on Monday at 12:23 a.m. valid between 10 a.m. and 6 p.m. for ...

On Monday at 12:56 a.m. the NWS Greenville-Spartanburg SC issued an updated heat advisory valid between noon and 8 p.m. The ...

The National Weather Service says heat indices as high as 114 are possible in Panama City and issued an advisory. Meanwhile ...

Heat index values could rise to 110-112 degrees, according to the National Weather Service. Higher rain chances later in the ...

Today is a WDSU First Warning Weather Impact Day because of a Heat Advisory for portions of Southeast Louisiana. Highs reach ...

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

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

The National Weather Service has issued a heat advisory today to include the cities of East Naples, Bonita Shores, Naples, ...

Terrebonne and Lafourche Parishes are currently under a Heat Advisory, as the local heat index is forecast to skyrocket into ...