Monday
Mist and fog will gradually lift on Monday morning leaving a cold day with mostly cloudy skies and a few patches of rain or drizzle, according to Met Éireann.
However, some bright or sunny spells will develop later in the afternoon.
Snow-melt will continue to lead to an accumulation of surface water bringing the risk of flooding. Maximum temperatures of 4 to 7 degrees.
Monday night will be a mixture of cloud and clear spells overnight with just a few isolated showers. It will be cold with frost and ice forming as temperatures dip to between -2 and +2 degrees.
Patches of mist and fog will form in places.
Tuesday
Fog and frost will clear gradually on Tuesday to leave a mix of sunny spells and showers, some of which will be heavy.
Top temperatures will range from 5 to 8 degrees C.
Tuesday night will be largely dry but with a few showers possible in western and northern coastal counties.
Frost and ice will return where there are clear skies as temperatures fall to between -3 and +2 degrees.
Mist and fog patches will also develop in places.
Wednesday
Wednesday will be cool and bright with sunny intervals and scattered showers of rain, hail and sleet.
Maximum temperatures will range from 5 to 8 degrees in moderate westerly breezes.
Mostly dry overnight but with a few scattered showers.
Frost and ice forming as temperatures fall to between -4 and +1 degrees.
Thursday
Thursday will see bright spells and showers, some of which will be wintry with falls of snow possible on high ground.
Highest temperatures will range from 6 to 9 degrees in light, westerly winds.
Mostly dry overnight but with a sharp frost forming under clearing skies.
Lowest temperatures of -3 to +1 degrees.
Friday:
Dry, bright and frosty on Friday morning.
However, cloud will build in southern counties by early afternoon and outbreaks of rain will move in.
The rain will then sweep northwards to all areas later in the day, possibly falling as snow for a time in the north west.
Highest temperatures of 6 to 9 degrees.
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