A status yellow rainfall warning has been issued for Cork and Kerry.
Met Éireann says 25 to 35mm rain are expected with a risk of spot flooding.
It will kick in from 3am tomorrow morning and will remain in place until 4pm.
Meanwhile, a yellow alert has also been issued for Dublin, Carlow, Kildare, Kilkenny, Wexford, Wicklow, Tipperary and Waterford.
Advertisement
Heavy rainfall is forecast to fall tomorrow from 9am until 8pm.