Met Éireann has issued a status yellow thunderstorm warning for the entire country from 6am this morning (Thursday).
The warning will be in effect until 7pm this evening, with risk of thunder, lightning and hail throughout the day across Ireland and Northern Ireland.
People are being urged to be cautious as there may be localised flooding.
The weather for the rest of the week will remain unsettled, with widespread heavy and thundery showers expected across much of the country, with continued risks of localised flooding.
Friday-Sunday will see a mixture of sunny spells and heavy showers, with highest temperatures reaching 15-20 degrees.
From Monday, indicators show that the mixture between sunny spells and showers will continue, but it appears as of now that it will be less extreme than this week.
Current indicators show that this unsettled weather is set to continue for the foreseeable future, right through to next week.