Met Éireann has issued a Status Red wind warning for Mayo, Galway and Donegal due to high winds as Storm Isha arrives.
The warning is in place for Galway and Mayo from 5pm and is valid until 9pm. The alert for Donegal is valid from 9pm until 1am tomorrow.
Earlier, the forecaster warned of difficult road conditions and damage to power lines due to high winds.
A Status Yellow wind warning for the entire country will come into place from 11am until 4am tomorrow.
A Status Orange wind warning will take effect for all areas from 5pm.
It expires at 2am tomorrow morning for Leinster, Munster, Connacht, Cavan and Monaghan.
The forecaster said that the Orange warning is likely to result in fallen trees, damage to power lines and difficult travelling conditions.
It also warned those in coastal regions of significant waves with wave overtopping.
