Today
Frosty and icy to begin this morning with snow lying in places.
However today is likely to be the best day of the week with lots of dry and bright weather and mainly light winds.
Scattered wintry showers will occur early on, but these will become mainly confined to the north and west by late morning, and clear most areas by afternoon.
Another cold day with highest temperatures of just 4 to 8 degrees, coldest in the north.
Later in the afternoon rain will move into the southwest and spread northwards during the evening, with winds backing southerly and increasing fresh to strong with gales on south and west coasts.
Tonight
Rain extending northeastwards to all areas early tonight, turning wintry in Connacht and Ulster, falling as snow over high ground with sleet at lower levels.
A clearance to showers will follow from the southwest later in the night reaching all bar northern coastal counties by morning.
A cold night in Connacht and Ulster with lows of -1 to +2 degrees, coldest early in the night with frost, lows further south of 2 to 5 degrees.
Fresh to strong southerly winds becoming variable and easing somewhat later in the night, but remaining strong on coasts.
National weather warning
A status yellow snow/ice warning remains in place for Ireland.
Scattered wintry showers early Wednesday with some snowfall accumulations, especially in the west and north.
Some disruption to travel is possible, particularly over higher routes.
The alert is in place until 10:00am.