Met Eireann has pushed out a Status Yellow rain warning for Galway.
It was originally meant to come into effect at midnight tonight-it will now be in place from midnight tomorrow to midnight on Sunday.
The Status Yellow warning still applies to Clare, Limerick and Mayo.
Waterford has been upgraded to a Status Orange rain warning starting at midday tomorrow.
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Meanwhile, a status orange rain warning for Cork and Kerry will also take effect at midnight on Saturday and lasts until midnight on Sunday.