There will be a continued risk of rain and thunderstorms throughout the day and night, lasting until Thursday morning.
A status yellow weather warning is in place for all of Ireland, and will last until 7am tomorrow.
Widespread showers and thunderstorms are possible throughout Wednesday, with longer spells of rain at times.
There is a potential for flooding due to the downpours, particularly in the northwest of the country.
The last few days have been extremely unsettled, following hard on the heels of a week long heatwave.
Despite the weather warning, Met Eireann’s forecast for Galway this evening is more positive, with conditions expected to be bright or cloudy, but mostly dry save for a few showers.
Temperatures tonight of 12 degrees, with a moderate westerly wind getting lighter as the day goes on.