Time to bundle up, folks, as Met Eireann has forecasted the coldest day of the year so far.
The national forecaster said snow will hit parts of the country as temperatures are set to drop to a teeth-chattering -4 degrees this week.
Today will see persistent outbreaks of rain and drizzle over south Connacht, north Munster and north Leinster.
But the north will enjoy clearer weather while the south coast will be cloudy but largely dry.
Highest afternoon temperatures of 7 to 9 degrees over Ulster and Connacht, ranging from 10 to 12 degrees through Munster and Leinster.
Outbreaks of rain will clear southwards tonight with cold conditions developing under clearing skies.
However, the north and west coasts will see scattered showers with the occasional showers penetrating further inland.
It'll be cold with temperatures of 1 to 3 degrees, coldest around dawn with some frost and icy patches possible.
Snow and sleet are set to hit hills and mountains and occasionally down to lower levels with scattered showers along the north and west coasts.
Lowest temperatures of -1 to +3 degrees predicted.
Here is the forecast for the rest of the week:
Thursday
"Further scattered showers for west and north coasts on Thursday with mainly dry and sunny weather elsewhere, the showers will become more widespread through the afternoon, continuing to fall as sleet and snow over higher ground.
"Highest temperatures of 5 to 7 degrees and feeling even colder in mostly moderate west to northwest winds.
"Clear skies on Thursday night as showers become isolated and mostly confined to northern coasts.
"Lowest temperatures of -2 to -4 degrees with widespread frost and some icy patches developing in light northwesterly or variable breezes.
Friday
"A cold, bright and dry start to Friday with icy stretches on untreated surfaces.
"There will be good sunshine early in the day, then cloud will increase from the west during the afternoon with patchy outbreaks of rain along the west coasts by evening.
"Highest temperatures of 5 to 7 degrees in a freshening southerly wind.
"The rain will move eastwards over the country with strong southerly winds on Friday night, falling as sleet and snow for a time initially.
"Temperatures will rise with the advancing rain.
Saturday and Sunday
"There'll be widespread rain on Saturday with temperatures of between 9 and 11 degrees in a fresh to strong southerly wind.
"Current indications suggest the rain will clear to showers by Sunday."
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