As temperatures rise across the U.S., here’s what you need to know about high humidity and how it can affect you.

The first heat wave of summer, starting Friday in central states, will bring days of extreme conditions to many cities across the United States, with humidity levels reaching far beyond what is normal ...

Humidity will make temps feel like the 100s. However, heat index values will stay below the National Weather Service's ...

Washington: Humidity will begin to creep up on Monday night before reaching high to very high levels from Thursday to Saturday. Philadelphia: Humidity will become more noticeable on Tuesday, with ...

(NEXSTAR) – A “heat dome” is bringing scorching temperatures and oppressive humidity to the Central and Eastern portions of the country this weekend, just in time to mark the start of summer.

Humidity in Houston is often discussed due to its impact on how the weather feels, with humidity referring to the water vapor ...

An intense and nearly historic weather pattern is cooking much of America in a dangerous heat dome this week with ...

NOAA's Storm Prediction Center issued a level 1 out of 5 for storms on Tuesday. Damaging winds will be the main threat.

Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

Record-breaking heat indices — a combination of temperatures and humidity to determine how heat really feels to the body — are possible from Kansas City to Maine.

The atmosphere removes water from the surface through evaporation, with temperature, wind, humidity and radiation from the sun controlling how much water is evaporated.