Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

The number on the thermometer only tells half the story. Here’s what to know about heat index—and why some scientists are ...

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 ...

Interactions between humidity and temperature are central to projecting and managing climate change impacts. Humidity modulates the human and ecological response to rising air temperatures by ...

A wave of record-breaking humidity and heat is surging across the United States, with about 265 million people forecast to experience 90- or 100-degree temperatures during the week ahead, including ...

A late spring cold snap that broke dozens of temperature records in Northern states isn’t an indication that the summer ahead will be cooler than average in the United States. Over the next week the ...

The first major heat wave of summer has enveloped much of the midwestern and eastern U.S. in a brutal “dome” of record temperatures and high humidity. The dome phenomenon happens when weather ...

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 ...

MYRTLE BEACH, SC (WMBF) - Early fall weather continues through Wednesday before increasing heat and humidity return by the end of the week. With clear skies, light winds and low humidity, temperatures ...