Forecast is a jailbreak tweak for iOS 7 that uses live, location based weather animations as your device’s wallpaper. This is a video review of Forecast, a beautifully designed jailbreak tweak for iOS 7 that uses live weather animations as wallpapers for your iPhone or iPod Touch. Check out the video below! For more information on jailbreaking, please see our series on the subject starting here. To find out how to jailbreak iOS 7, click here. Forecast is available for 99 cents. Use the Search tab in Cydia to find and purchase it or tap here.