A status yellow rain warning has been issued by Met Éireann for all counties, including Kilkenny.
Heavy or thundery pulses of rain are expected late tonight (Sunday) and into Monday.
The national forecaster warns that this will lead to flooding in places.
The warning is valid from 3am until 8pm on Monday.
It was issued this morning and is subject to change.
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.