The Forecast Channel is an forecast channel (obviously) which uses Weathernews. The Forecast Channel uses WiiConnect24 to update the forecasts. To set your city, say "SETCOUNTRY [COUNTRY]" then say "SETSTATE [STATES, PROVINCES OR PREFECTURES]" then say "SETCITY [CITY]", then your done! (Tip: Say "INSTALL RIICONNECT24" to install RiiConnect24