Counties Galway and Mayo along with Cork and Kerry will come under a status Orange wind warning this Saturday as storm Kathleen makes landfall.
Met Eireann is warning of very difficult travelling conditions, fallen trees and some power outages along with coastal flooding and wave overtopping.
The warning comes into effect at 7am and will run until 5pm.
Meanwhile the rest of the country has been issued a yellow wind warning.
That warning will run from 7am on Saturday morning until 8pm.