What do clouds have to do with weather?

Clouds are able to mediate temperature in several ways When clouds are fluffy and low to the ground they make the temperature cooler, but if they are high in the atmosphere they keep the Earth warmer. 

Clouds that produce rain and snow fall into this category.Cirrus clouds are usually white and predict fair to pleasant weather. By watching the movement of cirrus clouds you can tell from which direction weather is approaching.
Clouds that produce rain and snow fall into this category. "Nimbus" comes from the Latin word for "rain."
these are different types of clouds that has to do with weather
hope that helps

Photo means light and synthesis means combination so combination of light