Met Éireann has updated a status orange weather warning for Storm Gareth.
The wind warning now covers Galway, Mayo, Donegal, Leitrim and Sligo.
A status yellow warning is in place for the rest of the country.
Westerly winds associated with storm Gareth will give mean speeds of 80km/h with severe and damaging gusts of 110 to over 130km/h. There is also the risk of coastal flooding due to high seas.
The updated warning is valid from 5pm today until 9am tomorrow.