95 Thousand homes are without power in Kerry and Cork - where a red warning is in place.
UCC has sent texts to students telling them lectures have been suspended - and not to leave the building they're in because there's a risk of flying debris.
While Shannon Airport says that due to adverse weather conditions, it is closed "for the time being"
Met Eireann has upgraded its weather warning for parts of Leinster to "orange".
They say Dublin, Kildare, Louth, Wicklow and Meath will experience extreme weather during the afternoon - with gusts up to 130 kph.
There's also an orange alert in Limerick, Waterford, and Clar
