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

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

All of Florida will be under heat advisories Monday, July 21, as a heat dome spreads from the Ohio and Mississippi valleys.

Having reliable, loud, and timely emergency alerts on your phone or device is important because when severe weather strikes, ...

The first weather emergency alert sent by the National Weather Service with urgent language instructing people to "seek ...

The Chicago area has felt less of an impact from the Trump administration’s National Weather Service cuts than offices in the ...

It has been confirmed that a second nationwide test of the Emergency Alert system is set to take place on Sunday, September 7 ...

Meteorologist Zack Webster explains what heat advisories are and what they mean.

Delhi and its adjoining cities such as Uttar Pradesh's Noida and Ghaziabad woke up to rain on Monday, which also resulted in ...

While sirens can help in areas with shaky cell service, experts say officials also need to consider alert fatigue and provide ...

The hot & humid weather remains strong in Central Ohio! Our heat alerts have been extended through the end of the work week. By the weekend, we could be looking at some slight signs of relief.