A Status Yellow Low Temperature/Ice warning is now in place for 10 counties.
The alert affects all of Connacht, Cavan, Monaghan, Donegal, Longford and Clare.
The alert will last until 10am tomorrow.
Status Yellow - Low Temperature/Ice warning for Connacht, Cavan, Monaghan, Donegal, Longford and Clare https://t.co/Xg3aMJlyuS
Valid: 18:00 Tuesday 05/01/2021 to 10:00 Wednesday 06/01/2021
Issued: 13:00 Tuesday 05/01/2021
Updated: 13:22 Tuesday 05/01/2021 pic.twitter.com/YRZ8nByHzZ
— Met Éireann (@MetEireann) January 5, 2021
Met Eireann is forecasting temperatures will drop to between -2 and -5 degrees overnight.
There will be widespread severe frost and icy patches on untreated surfaces.