Met Éireann has issued a Status Yellow rain and thunderstorm warning for the entire country.

The forecaster said scattered heavy downpours and thunderstorms are expected in some areas today, tonight and for a time tomorrow.

It said localised flooding may occur where rain is heaviest.

The warning came into effect just after 9am and will remain valid until lunchtime tomorrow.

Mist and fog will affect hills and coastal parts at times today, particularly along the south coast. Top temperatures will be 20 to 24 degrees.

Meanwhile, Met Éireann has said that temperatures reached 28.3C at Durrow in Co Laois yesterday.

It said it was the first time in 30 years that 28C was recorded in Ireland on a September day.