Breadcrumb Home Image Gallery Clouds Form Due to Surface Heating Credit: CMMAP When the Sun warms the Earth, warm air rises into the atmosphere. As it rises, it expands and cools. Water vapor condenses out of the cool air to form a cloud. Learn More Clouds and How They Form Clouds Form Due to Surface Heating Clouds Form When Air is Forced to Rise Clouds Form Due to Mountains Clouds Form Due to Weather Fronts
