Why did iOS 8 change the weather data source Yahoo to the weather channel?

First, Apple didn't intend to use its own data and services, just changed the App developer.

Second, Yahoo! Weather is the data provider of weather.

Channel.

Third, Yahoo! Weather's contract with Apple will expire in autumn.

Fourth, the weather.

Replace Yahoo's channel! The weather has provided Apple with better service than Yahoo. A series of services and functions of weather, such as forecasting nine days in advance. Judging from the known media news, Yahoo, whose contract is about to expire, seems to have no movement.