It’s a T-shirt kind of day in Washington, DC: 85 degrees with 63 percent humidity. We all know those numbers mean hot, but what exactly does that humidity percentage tell us? And why should we care?

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS – In this heat, days start warm ...

We're in for another possible heat wave as more children head back to school Monday. A large ridge of high pressure is parked over the eastern United States and will remain there through at least this ...

NEW YORK (Reuters Health) - Many people with chronic headaches believe that weather changes trigger their woes. Turns out they may be right, suggest new research findings. In a study of 25 children ...

GREEN BAY (WLUK) — Despite the heat and humidity, kids took to Lambeau Field to stretch their legs in the 1k kids run. Kids were encouraged to drink plenty of fluids before and during the race.