Status Yellow fog warning in place for 24 counties as Met Éireann warns of risk of hazardous driving conditions
The national forecaster has warned of both poor visibility and hazardous driving conditions for those counties affected.
“Widespread mist and fog expected, thickening and becoming dense in places,” it said.
The counties under the warning are: Cavan, Monaghan, Tipperary, Waterford, Cork, Limerick, Clare and all of the counties in Leinster and Connacht.
The warning lasts until 10am this morning after taking effect from 7pm on Monday evening.
Overnight mist and fog will gradually clear most areas this morning.
Today will be another dry day with spells of sunshine while staying cloudier further west as the fog lingers across parts of the midlands.
Temperatures will range between 7 and 12 degrees remaining the coolest inland where the fog might be slower to clear.
It will be dry, calm and foggy tonight, especially across the south midlands.
There is a possibility of drizzle on Tuesday night, with temperatures ranging between 1 and 5 degrees and a touch of frost where skies remain clearer.
It will be less chilly across west and northwest counties, with temperatures dropping to 6 and 9 degrees.
Wednesday morning will see overnight mist and fog clearing and leaving the cloudy skies for the day but there might be sunny spells developing in some areas.
The day will remain dry but likely to be damp in some parts with patches of mist and drizzle, especially in the northwest areas.
Temperatures will range between 9 and 13 degrees before dropping to 5 and 10 degrees overnight.
Wednesday night will stay cloudy, bringing patches of mist and drizzle.
Thursday will be overcast with dry and calm weather, however there might be a few spots of light rain and drizzle in some areas. Temperatures will range between 12 and 14 degrees.
This week will stay cloudy for most, with some patches of rain and drizzle possible, Met Éireann has said.