The Children's Hospital for Wales in Cardiff has been closed due to damage caused by heavy rainfall.
18 children being treated there have been moved to other wards at the University Hospital of Wales.
The hospital was closed and patients moved on Monday afternoon.
Nobody was injured.
Cardiff and Vale University Health Board says it doesn't expect the hospital to reopen before the end of the week, as damage to electrics is examined.
More top news
The heaviest of the rain will ease overnight. Remaining mild but breezy around coastal areas.
Every time you give blood, you save a life. And for 70 years, more than 10 million units of blood have been donated in Wales.
A prosecution witness claimed he saw Mr Anglesea visit the house of convicted paedophile Gary Cooke.