Met Éireann has issued a 24-hour thunderstorm warning for Munster and Connacht.
The status yellow warning is in place from 6pm on Friday until 6pm on Saturday and warns of "heavy showers or longer spells of rain with thundery downpours". The highest rainfall totals are likely to be near the west coast on high ground.
The forecaster said the conditions could lead to spot flooding in some areas.
Plenty of rain or blustery showers about this weekend for all of us with some heavy downpours likely🌧️⛈️
Windy or breezy much of the time too with unseasonable cool temperatures in the west tomorrowhttps://t.co/Xg3aMJlyuS pic.twitter.com/RnARZnjeXS
— Met Éireann (@MetEireann) June 24, 2022
Friday will start cloudy, with rain in the west and southwest and patchy light rain or drizzle elsewhere.
"The rain will move northeastwards across the rest of the country through the afternoon and evening and will be followed by scattered showers," Met Éireann said.
The forecaster said there would be "heavy and possibly thundery downpours at times, giving a risk of spot flooding" with temperatures ranging between 14 and 19 degrees Celsius.
Saturday will be a "cloudy and wet day with spells of rain and heavy showers", with the forecast for Sunday similar.