Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

SIOUX FALLS, S.D. (KELO) — Summertime heat is on the way, along with muggy conditions. Meteorologist Adam Rutt explains why we focus on the dew point to talk about humidity. We’ve had a little taste ...

Understanding the difference between humidity and moisture.

MOLINE, Ill. — When our Storm Track 8 Weather Team talks about muggy conditions, they usually refer to the dew point rather than humidity. The dew point is typically a better measure of the atmosphere ...

Last week, we talked about why the dew point is a better measure of mugginess instead of relative humidity. When the dew point gets above 70°, that is usually due to tropical air being sent into North ...

Why do meteorologists like to use dew points so much instead of relative humidity? It's because it measures the true moisture content in the atmosphere. Do you ever wonder why meteorologists always ...