A status yellow rainfall warning has been issued for Leinster and Munster with heavy rain expected.
Met Eireann says rain will move in from the South this afternoon, with up to 35 millimeters expected.
The warning is in place from 3 o'clock this afternoon until 6 tomorrow morning.
Heavy Rain
Meteorologist Harm Luijkx says heavy spells can be expected throughout the evening. He says: 'ee are in an unsettled spell of weather as we've seen in the last few days. There's another band of heavy rain moving up from the South this afternoon.
'It will mainly affect the South and East of the country. So the rain will start late this afternoon and will turn heavy this evening and tonight. It will then clear tomorrow morning.'