Some hot days feel even worse thanks to high humidity, trapped heat and dew points. Cities are especially vulnerable. By Nazaneen Ghaffar Nazaneen Ghaffar is a reporter on The Times’s weather team. It ...

LOUISVILLE, Ky. — It’s that time of the year again when heat and humidity cause sweltering temperatures across Kentucky and southern Indiana. You’ve likely heard about the heat index mentioned once or ...

The reason why the humidity makes it feel hotter than the actual temperature is because of our sweat. Our bodies like to stay near 98.6 degrees, so when our body temperature rises sweat is released ...

Tonight features an isolated risk for a downpour before midnight. With light winds, recent rainfall and clearing skies, patchy dense fog will form, which could reduce visibilities to below a quarter ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...

Discover how weather conditions affect idiopathic pulmonary fibrosis (IPF) symptoms and learn practical tips to manage your ...