The warning has just come into effect.
The midlands is under under a Status Yellow Thunderstorm warning.
Met Éireann is warning of heavy downpours and thunderstorms across Leinster, Cavan, Monaghan, Cork, Limerick, Tipperary, Waterford.
The alert came into effect at 10am, and will remain in place until 9pm tonight.
Motorists are advised to take extra care, due to the risk of spot flooding, difficult traveling conditions, and poor visibility.