Indeed, most of the tariff plans of the service "weather Forecast" is activated together with the activation of the SIM card. The subscriber a grace period of 14 calendar days during which the service is available for free. After this period they will be charged a daily subscription fee.
If you are not willing to pay that amount for obtaining information about the weather forecast, you can disable the service "weather Forecast" by sending SMS with text "stop PP" or "stop pp" to 5151. For service deactivation fee will be charged.