A status yellow weather warning has been issued for counties including Laois, Offaly, Carlow, Kildare and Kilkenny for this evening and tonight.
Met Éireann says westerly winds will reach mean speeds of 55 to 65km/h, with gusts of 90 to 110km/h this evening and at times tonight.
The wind warning in in place from from 6pm today until 9am tomorrow.
The forcaster says the wind will be accompanied by heavy rain which will turn to sleet or snow in some places this evening.
Top temperatures of 5 to 9 degrees Celsius.
It will continue to be extremely windy in places for a time overnight with still some severe winds in some coastal fringes of the south and west at first, but winds moderating later in the night.
There will be rain sleet and snow in many places for a time during the night, but clearer conditions with scattered heavy showers in the south and southwest this evening will edge northwards overnight. Lows of 0 to +2 degrees with frost where skies break.
Many places dry and bright at first Thursday with some sunny breaks, apart from lingering rain and snow in parts of the northwest or north.