Gardai are advising motorists of black ice in parts of Co Mayo this morning.
Black ice has been reported on the Ballinrobe to Westport road, and on the Bangor to Bellacorrick road, and motorists are advised to take extra caution in these areas.
Meanwhile, a spell of wet and very windy weather is expected to impact Ireland this Tuesday and Wednesday.
Met Eireann has issued a weather advisory, with a warning of very wet and windy weather, which may lead to travel disruption and coastal flooding.
There's also the potential for wintry precipitation on Tuesday night and Wednesday, which may lead to further travel disruption.
The weather advisory is in place until 6 pm Wednesday evening, and a further update will be provided by Met Eireann later today.