It's in place until 10pm.
A status yellow thunderstorm warning has been issued for 21 counties.
It includes Laois, Offaly and Westmeath.
Met Eireann is warning of heavy downpours which could lead to spot flooding, dangerous driving conditions and power outages.
It's in place from midday until 10 o'clock tonight.
Offaly man Cathal Nolan, from Ireland's Weather Channel, says we're likely to see more thunderstorms tomorrow too: