A status yellow rain warning is in place from 7pm tonight.
The worst of Storm Ciarán is forecast to pass off the south-east and eastern coast tonight and tomorrow.
A status yellow rain warning is in place for Carlow, Cork, Kilkenny, Waterford, Wexford and Wicklow from seven o'clock tonight.
Persistent showers are expected to lead to flooding in parts, and motorists are being warned to expect difficult driving conditions.
A marine warning is also in place until Saturday.

Locals Urged To Make Their Votes Count In Tomorrow's Presidential Election
Land Owner To Decide If Details Will Be Released On Hundreds Of Skeletons Found In Naas
€10 Million Settlement For Celbridge Man With Cerebral Palsy In National Maternity Hospital Case
Clicks And Cash: Kildare TD Mark Wall Among Top Social Media Spenders During Last General Election
Kildare Cllr Tom McDonnell Aims Blame At Gardai, Saying He Was "In the Front Line" During Citywest Riots
Gardaí And Protesters Clash For Second Night - Kildare Cllr Tom McDonnell Points Blame At Gardai
Five Men Charged After Citywest Riots - One Accused Of Carrying Knife
Work On New 92-Bed Nursing Unit At St Vincent’s Hospital To Begin In 2026