The weather forecast app you are looking at was created using React Native Expo, a popular framework for building cross-platform mobile applications. It is integrated with the AccuWeather API, providing up-to-date and accurate weather forecasts for your location. Tailwind CSS was used to style the app, giving it a clean and modern look. Redux Toolkit Query was integrated to manage the state of the application and provide seamless data fetching. The app also integrates with Expo Location to automatically detect and display the weather forecast for your current location. With all these features, this weather forecast app provides a user-friendly and reliable experience for staying informed about the weather.