Weather: The Basics Rain and dull clouds, windy blue skies, cold snow, and sticky heat are very different conditions, yet they are all weather. Clouds Learn about the different types of clouds and how they form. Check out cool photos of clouds and try your hand at our cloud games. Hurricanes A strong hurricane can spell disaster. These huge storms are the most powerful of all weather systems. Learn about how they form and the impacts they can have. Thunderstorms Right now there are about two thousand thunderstorms going on around the world. While common, they are dramatic with intense rain, hail, wind, lightning, thunder, and even tornadoes. Snowstorms Hoping for a snow day? Consider the meteorological circumstances that would be needed for you to get your wish! Tornadoes A dark funnel of cloud extends below a storm. If it reaches the ground, it’s a tornado. The Water Cycle Water can be in the atmosphere, on the land, in the ocean, and underground. It moves from place to place through the water cycle. Winter Weather Teaching Box A collection of educational resources about the science of winter weather for primary grade students. Web Weather for Kids Atmospheric science information, stories, and experiments for elementary and middle school students The Winter Weather Learning Center A collection of activities, information, a snow-art slideshow and other multimedia for students and teachers Clouds, A Teaching Box A collection of educational resources to bring cloud science to elementary students.