A number of Orange and Yellow level warnings have been issued for heavy rain and thunder.
A status Orange rainfall warning was in operation today in counties Longford, Cavan, Leitrim and Roscommon.
Met Éireann said the counties would be affected by intense thundery downpours in excess of 50mm which would lead to surface flooding.
The warning was in place until 6pm.
Yesterday saw thunder affect many parts of the country and lead to Yellow level warnings being in place for almost 12 hours.
Photograph of lightening taken last night in Glynn, Co Wexford by Jonathan Looby. pic.twitter.com/2bRWoZ268V— Met Éireann (@MetEireann) June 15, 2020
Connacht, as well as counties Cavan, Monaghan, Donegal, Carlow, Kildare, Wicklow, Kilkenny, Laois, Longford, Louth, Offaly, Westmeath, Meath, Clare, Cork, Kerry and Limerick were under a Yellow level warning for thunder.
The forecaster said scattered thunderstorms would develop through the afternoon and evening with heavy downpours and a risk of localised flooding.
The warning came into effect at midday and remained in place until 9pm.
The UK Met Office has also issued a Yellow level warning for thunderstorms for Armagh, Fermanagh, Tyrone and Derry, which will be in place until 9pm.
The Road Safety Authority is asking road users to exercise caution while the warnings are in operation.