Cold and blustery today with sunny spells and scattered squally showers, with an ongoing risk of hail and thunder.
A few wintry showers are possible, especially over the hills in Connacht and Ulster.
Maximum temperatures of 5 to 8 degrees in strong and gusty west to southwest winds.
Further showers overnight, merging to longer spells of rain at times and with a risk of wintry falls on high ground.
Cold and blustery with minimum temperatures of 0 to 4 degrees in strong southwest winds.