Dry and bright to begin this morning in central and northern areas with sunny spells, but showers in the west and south will become widespread this afternoon.
Many of the showers will be heavy, with a risk of hail and thunder.
Top temperatures of 11 to 13 degrees.
Breezy or blustery at times today, in mostly moderate to fresh southerly winds, gusty near coasts and around showers.
Mainly dry for a time over eastern parts of the country this evening and early tonight with just isolated showers, but the showers will continue to be frequent and heavy in the west and southwest with an ongoing risk of hail and thunder there.
The showers will become more widespread again overnight.
Lows of 2 to 8 degrees in light to moderate southerly breezes, fresh to strong and gusty near south and southwest coasts.