A status yellow rain warning has been issued for Cork, Kerry, Donegal, Galway, Leitrim and Mayo.
It comes into effect at 3 o’clock tomorrow afternoon and lasts until 10am on Tuesday.
Met Eireann says the localised flooding is likely with outdoor events also likely to be impacted.
A separate weather alert for Donegal is already in place today, expiring at 3 this afternoon.
