A status orange wind warning has been issued by Met Eireann for several counties where westerly winds veering northwest are expected to gust to 130km/hr at times tonight.
Counties Galway, Mayo, Clare, Kerry, Limerick and Waterford will be affected.
Exposed areas especially coastal fringes, will be worst affected and the warning is in place from 10.00pm until 08.00am tomorrow morning, Wednesday.
A status yellow wind warning is also in place nationwide for tonight.
Westerly winds veering northwest overnight are expected to reach mean speeds of 50 to 65km/h with gusts of 90 to 110km/h.
This yellow wind warning is valid from 8.00pm this evening until 10:00am tomorrow morning.
Met Eireann has also issued a status yellow snow-ice warning for parts of the country.
Connacht, Leinster, Cavan, Monaghan and Donegal will be the counties affected. Heavy snow showers are expected overnight leading to accumulations of 3cm in parts of Connacht, Ulster and Leinster.
Larger accumulations of snow are likely on higher ground and the warning comes into effect from 10.00pm tonight until 09.00am tomorrow morning.
There is a chance of some hail and thunder tonight, Tuesday, and lowest temperatures will range between zero and 3 degrees.
A cold, windy and wet week ahead – Met Eireann
Tomorrow, Wednesday will be extremely windy in places early in the day with further heavy blustery and wintry showers for a time.
Winds are expected to ease and showers turn to rain or hail by afternoon.
The showers will become more scattered with better sunny spells developing and highest temperatures will range between 6 and 9 degrees.
Winds are to moderate considerably on Wednesday night and showers will become isolated.
There will be a slight to sharp ground frost and there will be a risk of ice also as lowest temperatures range between 2 and minus 1 degrees.
It is promised to be a cold day with temperatures of 5 to 8 degrees at best.
Meanwhile, it looks like rain will continue for a time in some areas on Thursday night, but where skies clear, frost will develop again.
Looking to the end of the week, Friday looks to remain rather cold with winds turning more northerly.
Met Eireann has forecast that most places will have some sunshine but there will be wintry showers also.
Some showers are promised to persist overnight but most places will be dry and clear with sharp to severe ground frost.
Current indications suggest that the weekend will remain cold with isolated showers but probably a good deal of sunshine also, though quite frosty at night.