The arrival of Storm Boelo comes just a day after Storm Austen is expected to bring heavy rain and strong winds to parts of Ireland.
Storm Austen is forecast to track towards the south coast of Ireland on Thursday evening and into Friday morning, bringing the risk of flooding and travel disruption.
Irish weather service Met Éireann has issued an orange rain warning – the second highest level – for six counties in the Republic of Ireland, including Cork, Dublin, Kerry, Waterford, Wexford and Wicklow.
The Irish weather service has warned of possible flooding, public transport disruption and very difficult driving conditions.
A nationwide yellow warning for rain and wind is also in place from 19:00 on Thursday until 10:00 on Friday.
Although no weather warnings have been issued for Northern Ireland in connection with Storm Austen, widespread rain is expected on Thursday night before clearing eastwards on Friday morning.
