Heavy rain, flash floods and lightning causes disruption to public transport
Damage caused by lightning caused Irish Rail to suspend some services.
Heavy rain and flash floods have disrupted rail and bus services in parts of the country.
Irish Rail suspended its services from Dublin to Maynooth because of lighting damage to signalling.
A spokesman for the company said it is working to fix the issue but has advised customers travelling to Longford and Sligo to seek alternative arrangements.
Motorists have been warned of surface water and spot flooding because of the thundery conditions on Tuesday afternoon.
The Office of Emergency Planning has advised the public to take care when driving, cycling or walking in areas experiencing flooding and to use alternative routes and to never try moving through fast flowing flood waters, which can be dangerous.
AA Roadwatch said that heavy showers in the eastern part of the country has caused very wet road conditions, particularly in the Dublin area.
Met Eireann said there will be further heavy showers and thunderstorms in the east on Tuesday evening with some torrential downpours and localised surface flooding.
The forecaster said the the showers are expected to ease later as drier and clearer weather continues to extend from the west.
Dublin Fire Brigade said it was called out to a number of spot floods in areas including Churchtown, Terenure, Grafton Street and Rathmines.