A yellow weather alert has been issued for Donegal and Fermanagh.
The warning for Donegal is in effect from now until 11pm tomorrow night while the one for Fermanagh is in place from now until 12 noon tomorrow.
Met Eireann is warning of localised flooding, difficult travel conditions and poor visibility.
So far, Sligo and Leitrim are forecast to escape the worst of Storm Ciaran.
