Red warnings are issued by the Met Office when immediate action is required against adverse weather conditions.
An amber warning is issued to urge people to prepare for high impact weather conditions.
A yellow warning is used to make people aware that the weather could be changing.
Today, The Met Office issued a rare "red warning" for parts of south Wales - which closed several schools and affected public transport.
For further weather updates, as well as details of disruption to travel and services, click here.