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 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 ...

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 ...

Lansing, Mich. (WLNS) — You have probably heard the phrase “it’s not the heat, it’s the humidity” popping up in a few conversations over the last week or so. But is it? Summer is known for the ...

Micki Olson receives funding from the National Oceanic and Atmospheric Administration and the Federal Emergency Management Agency. You’ve probably heard people say, “It’s not the heat, it’s the ...

A temperature of over 100 degrees doesn’t paint the whole picture when it comes to determining how hot it feels. The heat index does. What is the heat index? “It is essentially what temperature feels ...

National Weather Service observations at Lehigh Valley International Airport show the heat index entered the triple digits Monday morning. What’s that mean? Well, it’s hot, of course — as anyone can ...

HELLO. HI, CAM. LOOKING GOOD BEHIND ME, SMOOTHIE KING CENTER. AND OF COURSE THE SUPER DOME. REAL TIME TEMPERATURES MILD TONIGHT, BUT IT’S MORE ABOUT THE HUMIDITY STARTING TO MAKE A RETURN. WHEN ARE WE ...

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