Motorists are being urged to take care on the roads today during the wet weather.
Flooding has been reported following heavy rain this morning.
Today (Friday) is expected to one of the busiest days of the year on the roads throughout the country.
Heavy rain will extend countrywide from the southwest today reaching the north coast by early afternoon, with the potential for spot flooding and pools of surface water. The rain will persist across Ulster well into the evening hours, while a clearance will gradually develop across the rest of the country bringing sunny spells and a few showers. Highest temperatures will range 5 to 11 degrees, north to south across the country. Moderate to fresh easterly winds will veer southwest in the clearance.