Weather Underground is a weather service that provides detailed forecasts, radar maps, and severe weather alerts. Founded in 1995, it started as a platform for weather enthusiasts to share data and insights. Today, it is known for its user-friendly interface and community-driven content. The service offers localized weather information, including temperature, precipitation, and wind conditions. Users can access real-time updates and historical weather data, making it a valuable resource for planning outdoor activities or staying informed during storms. Weather Underground is part of the larger The Weather Company, which is owned by IBM.