Information supplied by Met Éireann
It will be cold and increasingly windy today with frequent showers, some of them heavy and prolonged, with a risk of hail and thunder.
Some showers of sleet and snow also, especially later this afternoon.
Afternoon highs of just 3C to 5C degrees generally, but 6C to 8C degrees along the southern coastal fringes.
Westerly winds will increase strong and gusty, with gales developing along west and southwest coasts.
It will be windy tonight, with strong and gusty westerly winds and gales or strong gales at sea, producing large waves along Atlantic coasts.
Scattered showers will continue, interspersed with clear intervals.
Some of the showers will be wintry, especially over high ground, with an ongoing risk of thunder.
Minimum temperatures of 0C to plus 4C degrees, with a risk of frost in sheltered spots.