Does high relative humidity help predict rainy weather?

I may help them by, Telling people about weather in news, Or any particular reasons if any inncidents occured like earthquake, zsuname, tornados, or hurricane

Maybe because there is much water vapor in the air.

To answer this you need to understand what atmospheric pressure a.k.a. barometric pressure is. This is very simply the weight of the air mass that is sitting on top of your location. The pressure...

Dew point is the temperature when (invisible) water vapor in the air starts to condense. Relative humidity is the amount of water in the air. If someone knows the relative humidity, they can compare...

The Yarn will absorb the moisture in the air and it will then become heavier and you will be able to predict the weather.