Weather Underground is a citizen science project and a weather forecasting service. It was founded in 1995 and is based in Ann Arbor, Michigan. Weather Underground provides detailed weather forecasts, current weather conditions, and historical weather data. It also has a network of over 250,000 weather stations that provide real-time weather data.
Weather Underground is an important resource for weather enthusiasts, meteorologists, and anyone who wants to stay informed about the weather. It provides accurate and up-to-date weather information that can be used for planning outdoor activities, travel, and other purposes. Weather Underground also plays a role in weather research and forecasting, and its data is used by a variety of organizations, including the National Weather Service.