There are two severe weather warnings in place for the country.
Met Éireann has issued an orange rainfall warning, predicting 50-70mm of rain for Kerry and a yellow rain warning for Galway, Mayo, Clare, Cork and Limerick.
Both warnings are valid until tomorrow at midday.
Map: Met Éireann
Motorists are being reminded to reduce their speed and keep a safe distance from the vehicle in front of you.
Only drive through water if you know it is not too deep for your car.