A status red warning has been issued for Galway and Clare as Storm Jorge heads towards Ireland.
The alert will be in place from 1pm, while there's a status orange warning for the rest of the country tomorrow.
Crisis management teams across the country have been activated to deal with the conditions, with winds of up to 145 kilometres an hour expected.
The National Emergency Co-ordination group has met and is advising people to keep an eye on neighbours, stay away from the coast and take extra care on the roads.
The ESB's Derek Hynes says some power outages are expected: