Status Yellow fog warning in place for 12 counties
· RTE.ieA Status Yellow fog warning is in place for Connacht, Cavan, Donegal, Longford, Louth, Meath, Monaghan, Westmeath.
Met Éireann has said that areas of dense fog will develop with poor visibility expected.
There is also the possibility of difficult travelling conditions, the forecaster said.
The warning is valid until 11am.