The severe wind weather warning for Donegal starts at 11am this morning and will last until 3pm this afternoon.
Met Eireann say South to southwest winds will reach mean speeds of 65 to 80km/h with severe gusts in excess of 110km/h in the west.
Where winds are onshore, there is a risk of coastal flooding.
Donegal County Council has issued the alert and has asked people to take care if they need to journey outside their homes.