Met Éireann says heavy downpours of rain and hail will occur in places.
A status orange thunderstorm warning has been extended until 10 o'clock tonight.
The alert for heavy downpours of rain and hail, now applies to Munster and counties Kildare, Wexford, Carlow, Kilkenny, Laois, Offaly, Wicklow and Dublin.
Met Éireann has said torrential downpours and thunderstorms are possible in parts of Leinster and Munster until later tonight and that flooding may occur following the heavy downpours.
The record high temperatures for August were broken twice over the past couple of days.
Emer Flood from Met Eireann says not everywhere will get rain today:

Local Property Tax Deadline Extended To Wednesday
Lawless Rejects Claim He Let Apprenticeship Exam Leak Scandal "Fester"
Warnings Over Speeding In Kilcock School Zone But No Funding Available To Tackle The Issue Until 2026
Three Teenagers Arrested In Connection With Rioting At Citywest Hotel Last Month
New Leixlip Playground To Feature Sensory And Accessible Equipment
Patchy Phone Signal Prompts Call For Review Of Coverage Maps In Clane And Maynooth
Alleged Admissions Row Ignites Between Leixlip Schools Over Irish V English Language Pathways
BreastCheck To Fall Short Of Screening Target For Third Year Running