Today will be a very warm day and the solar UV index is very high, so do take care in the sunshine.
It will be another dry and sunny day with the risk of isolated heavy or possibly thundery showers in the southwest.
Top temperatures will reach of 22 to 28°, warmest across Connacht and the mid-west - but a few degrees lower along eastern coastal fringes in moderate to fresh easterly onshore breezes.
Tonight will be mostly dry with just the risk of an isolated shower in the southwest.
It will be a mild and humid with lowest temperatures staying around 13 to 17° in mainly moderate easterly breezes but fresh near coasts.
A status yellow high temperature warning is in place for Galway, Mayo, Clare, Cork, Kerry and Limerick.
Temperatures will go over 27° Celsius during Thursday afternoon.
The alert is in place from 1.00pm to 7.00pm.