Just when you though the worst was over, Met Éireann is warning of snow and sub-zero temperatures over the next few days with strong northeast winds causing blizzard conditions in some parts.
Icy conditions are expected to linger in many areas today after overnight temperatures were set to fall to -4C.
The Road Safety Authority (RSA) has warned road users to slow down during the challenging weather conditions.
RSA communications manager Brian Farrell said truck drivers should be particularly careful in areas where their vehicle is exposed to cross winds.
Mr Farrell warned motorists to be on the look out for fallen debris, such as branches and trees. He also urged pedestrians to exercise extreme caution when crossing the road.
AA Ireland, director of policy, Conor Faughnan, said the unseasonal and very unwelcome cold snap would make the roads extremely dangerous.
“We have had a very bad start to the year in terms of road safety. The number of deaths is up and whenever you see a weather forecast like this you do get nervous.
“Conditions will be icy and there will be snow in parts of the country so we would strongly urge people to slow down and stay well back from the car in front.”
Met Éireann weather forecaster Eoin Sherlock said temperatures would be well below average for this time of year.
“A cold front is pushing down the country at the moment and that is going to introduce some very cold conditions over the next couple of days,” he said.
Mr Sherlock said snow showers could be expected in parts of the country up to lunchtime today .
“It will probably be Wednesday or Thursday before temperatures start creeping back up towards what is regarded as normal for the middle of March,” he said.
Today is expected to be extremely cold with frost quickly becoming widespread and severe after dusk with ground temperatures as low as -10C.
Another widespread frost is expected on Tuesday night with ice and freezing fog making driving conditions very dangerous.
There will be widespread sharp to severe air and ground frost again on Wednesday night with icy patches.
There will be a gradual change in the weather on Thursday and Friday as winds blow back west to southwest and bands of cloud and rain move in from the Atlantic. There will be some local frosts but they will not be widespread or severe.
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