Met Éireann has issued a Status Yellow fog warning for 13 counties in the northern half of the country, cautioning of hazardous driving conditions.
Issued at 1:48pm this afternoon (Monday, March 1), the alert will be valid from 12:00am tonight through to 10:00am tomorrow morning.
The warning will affect counties: Cavan; Donegal; Monaghan Dublin; Kildare; Longford; Louth; Meath; Offaly; Westmeath; Leitrim; Roscommon; and Sligo.
For the country in general, conditions will be dry this evening with long clear spells in a light easterly breeze. Mist will develop later this evening.
The national meteorological office notes that tonight will be cold, dry and mostly clear in mainly light easterly winds.
Lows of -1° to + 2° are expected, coldest in the midlands, with some frost developing. As outlined, mist and fog will develop in many areas later in the night, becoming dense in places by morning.
Tomorrow will begin dry, with mist and fog in many places to start, clearing slowly.
Highs of 7° to 12° are forecast, with it to be coolest in Ulster and in eastern counties, in a light easterly breeze, fresh at times on southern coasts.