Relative humidity and dew point are often mistaken for the same thing and can be sources of confusion. But what are the differences between the two, and which is more relevant in everyday life?

If you stepped outside this afternoon, you probably noticed it almost instantly. The air felt heavy, thick, and distinctly ...

Dew point and relative humidity, two terms that have floated around many weather forecasts over the years. What exactly do they mean and when are they best used to describe the conditions outside? Let ...

DAVENPORT, Iowa (KWQC) - As critical fire danger spreads across the region through spring, understanding one simple weather concept could make the difference: dew point. Relative Humidity (or RH) ...

TOLEDO, Ohio — As warm summer days continue throughout northwest Ohio and southeast Michigan, so does the chance of hot days becoming more common over the years. Let us set the stage: you are watching ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Here’s an even more deceiving weather situation. One day is 80 degrees and 50 percent relative humidity. Another day is 90 ...

Meteorologist Ray Petelin joined the KDKA Weather Team in October 2018, but is no stranger to the weather in Pittsburgh and Western Pennsylvania. He has been forecasting in Pittsburgh since 2011 and ...

When humid weather rolls in, it leaves a heaviness in the Wisconsin summer air. It can spoil the summer fun and even lead to heat-related illnesses.