Met Eireann says it will continue until Thursday morning.
A weather warning goes live in Kildare this morning.
Met Eireann has included Kerry, Cork, Carlow, Kilkenny, Laois, Wexford, Wicklow, Tipperary and Waterford in its Status Yellow alert.
It went live at 5am this morning, and is to continue until 5 O'clock on Thursday morning.
Met Eireann forecasts "Heavy spells of persistent rain will lead to localised flooding. "

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