Discover how to build a Global Weather App using HTML, CSS, JavaScript, and a free Weather API integration in this comprehensive one-hour tutorial. Learn to create a new Next.js app, find and integrate a weather API, install Tailwind CSS, and develop essential components like navbar, index, and weather. Follow along as the instructor guides you through error fixing in footer.js and weather.js, and complete the weather.js query setup. By the end of this tutorial, gain the skills to create a scalable and functional weather application.