You can sign up for e-mail alerts from the Met Office or download their Weather App to ensure you are always updated with the very latest forecast details, wherever you are.
Gallwch gofrestru i gael rhybuddion drwy e-bost oddi wrth y Swyddfa Dywydd, neu lawrlwythio'r Ap Tywydd er mwyn sicrhau bod y rhagolygon diweddaraf gennych bob amser.