The City list screen allows you to manage a list of cities that you want to monitor. Touch the City list icon in the lower left-hand corner of the Weather application screen.
Touch Current at the top of the screen to update your current location.
Touch at the bottom of the screen to add a city, then enter the name of the city.
Touch at the bottom of the screen to remove a city from your list of cities, touch the checkbox(es) for the city (or cities) to remove, then touch Remove to confirm.
Touch a city in the list to display the weather information for that city.