GET the scarves and gloves out. The mild weather enjoyed in recent weeks will be replaced by freezing temperatures with fog and ice expected across much of the country.
Met Eireann is predicting temperatures as low as -3C over the coming days, with warnings from motoring groups that road conditions may be treacherous.
But it's to be expected. Met Eireann forecaster Pat Clarke said the mild weather in recent weeks was unseasonal, and there would be a return to typical January weather.
"We've had very mild conditions for the last couple of weeks with very little frost and temperatures of 10C to 13C. That's changing," he said.
"The temperatures at night were very high, and more typical to what you'd expect during the day. We're going to get back into more typical daytime temperatures and night-time lows.
"There'll be temperatures below freezing with fog and icy patches on the roads. Over the next five days it will be more typical for this time of year. It will be 0C to -3C, but maybe slightly above freezing in some places. There may be issues with fog up to Thursday morning."
Forecasters expect generally dry, clear and cold nights with a sharp to severe ground frost. Light rain may fall in Munster tonight.
Tomorrow will see heavy spells of rain over Connacht, Munster and south Leinster, with highest temperatures of 9C. Ice will form overnight, and cold and cloudy weather is expected over the weekend.