Apple iPhone (For iOS 6.1) - Manual (Page 83)

Chapter 15 Weather 83
Turn local weather on or off: Go to Settings > Privacy > Location Services. See Privacy on
page 140.
See information about a city at yahoo.com: Tap
.
Use iCloud to push your list of cities to your other iOS devices: Go to Settings > iCloud >
Documents & Data, then turn on Documents & Data (it’s on by default). See
iCloud on page 15.