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.

Understanding the difference between humidity and moisture.

Your home can feel stuffy, chilly, or perfectly “normal” even when the thermostat barely moves, and humidity is the quiet reason why. Once you understand the narrow band of moisture that keeps air ...

The air inside your home does more than you might think. Whether it feels too dry in winter or too sticky in summer, indoor humidity plays a major role in your comfort, your health, and even the ...

More extremely warm conditions for mid-February are in store for Chicagoland on Wednesday, with high temperatures soaring into the mid-60s in some locations.