The first of two status yellow weather warnings for rain will kick in at 2 o'clock this afternoon.
Carlow, Kilkenny, Laois, Offaly Wexford, Munster and Galway will see heavy rain with thundery downpours until 3am tomorrow.
The rest of the country will be affected from 5 o'clock this evening, with difficult travelling conditions.
Met Eireann Meteorologist, Liz Walsh says people need to keep an eye as it could be upgraded to Orange.
