Met Eireann has issued a Status Orange - Low Temperature/Ice warning for Kilkenny and other counties such as Carlow, Kildare, Laois, Longford, Meath, Offaly, Westmeath, Cavan, Monaghan, Clare, Cork, Limerick, Tipperary, Galway and Roscommon.
Forecasters said it will be extremely cold on Thursday night with temperatures below -5 degrees expected widely away from coastal areas, leading to severe frost and ice.
Patches of freezing fog will lead to hazardous driving conditions in places also.
Met Eireann's Status Yellow - Low Temperature/Ice warning for Ireland continues until tomorrow at 12 noon.
Remaining very cold through the week with widespread sharp to severe frosts and icy stretches.
Some showers of hail, sleet and snow will occur, mainly near coasts. Accumulations at lower levels are expected to remain low.
Freezing fog will occur at times, with winds remaining light over land.
Possible impacts include:
• Treacherous conditions on paths and roads
• Travel disruption
• Potential supply disruption
• Potential for burst water pipes and damage to engines
• Increased risks to vulnerable members of the community
• Animal welfare issues
• Slack winds over land leading to reduced wind power generation
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