Humidity can make or break a summer day. A sunny day with a temperature of 85 degrees can feel pleasant when the humidity stays low, but once the humidity cranks up, that same day can become ...

Summer will make a dramatic entrance in the U.S. this week with a heat dome that will bring stifling heat and uncomfortable ...

The actual temperature is seasonably hot, but due to the abundance of moisture at the surface, the heat index value will be in the triple digits during the peak heating of the day. A few isolated ...

Triple-digit heat index values means heat with more humidity. But San Antonio won’t see actual temperatures of 100 degrees for at least another week.

The heat index, which factors in the temperature and the humidity, is expected to hit 102 on Wednesday, 104 on Thursday and 106 on Friday. A couple other factors will make it feel miserable ...

Although we do typically get a stretch of hot weather like this every summer, this will be the first time this year that ...