We've all heard: "It's not the heat; it's the humidity." Well, it's not just a cliché; there is truth to it. According to the National Weather Service, the heat index is what the temperature feels ...

Many people incorrectly think that heat lightning is a specific type of lightning, NWS said, but it is simply light produced by a distant storm. Usually, mountains, hills, trees or the curvature of ...

BRUSSELS, June 30 (Reuters) - Large parts of Western Europe were in the grip of a severe heatwave on Monday, with temperatures breaching 40 degrees Celsius (104 degrees Fahrenheit) in Spain and ...

Weather reports indicate a heat dome with highs in the 90s to low 100s is building over parts of the country this week — including the Northeast with a short, but significant, hot and humid spell ...

Winter is here so now the big question for the season is “Will it be a snow day”? It’s not an easy question to answer as predicting when roads will be hazardous is far more difficult than predicting ...

The most extreme heat wave ever recorded in the Pacific Northwest continues to shatter records for another day. Millions of people are currently under excessive heat warnings — many of them sweltering ...

WICHITA, Kan. (KAKE) — When you hear the term “heat index” in the forecast, it’s usually paired with a much higher number than the actual temperature. For example, you might hear us say “It’s 94 ...

MOLINE, Ill. — It's a hot and humid summer day in mid-June. Nothing too surprising given the time of year is near the summer solstice, the point at which the maximum amount of solar energy is reaching ...

The mercury is really cranking up. Here's what you need to know to protect yourself. Summer is upon us, and so too is the first heat wave of the year -- a suffocating stretch of 90-plus-degree days ...