During the hot, humid summer months, meteorologists often discuss the heat index instead of the actual air temperature. But how is the heat index calculated, and why is it more important than the air ...

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 ...

It may seem that July has delivered an interminable run of humid days, with dew points holding at near tropical levels. It is true that this month has been a scorcher. Triple-digit heat indices have ...

High humidity changes the way almost every fire-starting method behaves, even when the temperature is warm, and conditions feel manageable. Moisture in the air settles onto tinder, reduces spark ...

MICHIGAN, USA — July has been a warmer-than-usual month so far, and even warmer air is on the way. A couple of comfortable and seasonable days are expected on Monday and Tuesday. Highs early this week ...

High temperatures in the 90s are certainly an expectation in Indiana summers, and the impacts of the air temperatures alone in that range are relatively minimal. However, the dangers of hot ...

Has this summer been muggier than usual? For nearly two-thirds of the country, the answer is yes. Tens of millions of Americans in the central and eastern United States have suffered from an ...

Happy first day of August! High pressure is building into the Great Lakes region today, giving us a taste of fall like weather. The high has scoured out the high humidity and heat that we have endured ...

NEWPORT NEWS, Va. — Humidity can do more than just make you sweat—doctors say it can also trigger asthma symptoms, worsen allergies, and make breathing more difficult. Dr. Som Chalise with Riverside ...

We've sweated our way through the last several days, and Wednesday will be no different.A heat advisory is in place through 8 p.m. WednesdayThe heat advisory stays in place as highs head toward 90-92 ...