Homes, farms and businesses are without power in some parts of the country after strong winds and heavy rain overnight.
An orange weather warning for Wexford, Wicklow and Dublin is now over.
A yellow alert impacting 13 counties ends at 9 am.
Widespread flooding has also been reported with Met Eireann warning of 'significant rainfall accumulation'.
Alan O'Reilly from Carlow Weather says travelling conditions will remain dangerous even when the weather alerts end.