Met Éireann has issued a new status yellow low temperature and ice warning across the State from tonight into tomorrow morning.
The warning is valid from 9pm on Monday night to 10am on Tuesday.
Temperatures will fall as low as minus 5 degrees overnight on the west coast while the east coast may see a light dusting of snow occurring locally.
The low temperatures will continue into Tuesday. Highest day time temperatures will get no higher than 3 degrees on the west and south coasts.
Markets in Vienna or Christmas at The Shelbourne? 10 holiday escapes over the festive season
Ciara Mageean: ‘I just felt numb. It wasn’t even sadness, it was just emptiness’
Stealth sackings: why do employers fire staff for minor misdemeanours?
Carl and Gerty Cori: a Nobel Prizewinning husband and wife team
There were widespread reports of black ice on roads and pavements in counties Cork and Waterford on Monday morning amid dense fog everywhere across the State.
Tuesday into Wednesday night is likely to be colder still with temperatures of minus 7 and 8 in parts of south Limerick and north Kerry.
All parts of Ireland will have freezing temperature overnight for the next two nights except the east coast.
A cold weather advisory was also issued across Ireland by Met Éireann with temperatures set to remain low in the coming days.
There has been widespread reports of treacherous roads.
It will be drier this week than of late and more settled.
High pressure is keeping widespread falls of rain and snow away, but this might change next week with the chance of wintry showers in the north of the country.
The cold weather alert issued by the forecaster remains valid until Friday.
Meanwhile, icy road conditions contributed to a number of collisions in Co Cork on Monday morning.
[ Cold weather plan: Low temperatures trigger emergency response for rough sleepersOpens in new window ]
[ Warmest year on record ‘by a significant margin’ with above average rainfallOpens in new window ]
Crashes were reported on the Rockboro Road, Skehard Road and Farranferris Avenue in the city while others occurred in the Lower Killeen’s/Clogheen area, Kerry Pike and in Blarney village. Emergency services also attended at an incident involving a pedestrian and a vehicle in Ballincollig, Co Cork.
Cork City Council has closed the Tramore Valley Park Civic Amenity site until further notice.
In an interview with Today with Claire Byrne, on RTÉ Radio 1, Cllr Damien Boylan said that in spite of roads being gritted yesterday, showers overnight froze on surfaces leading to poor driving conditions.
“I’ve asked people on my own social media to take their time and unless it’s urgent for them to be where they need to be, to stay at home,” he said.
- Sign up for push alerts and have the best news, analysis and comment delivered directly to your phone
- Find The Irish Times on WhatsApp and stay up to date
- Our In The News podcast is now published daily – Find the latest episode here