Met Éireann has issued a status yellow weather warning for thunderstorms for Galway which will come into effect on Thursday morning.
Thundery spells of rain are forecast with a risk of lightning and local hail throughout the day.
People are being warned that there could also be localised flooding and driving conditions will be dangerous.
The warning begins at 6am tomorrow, Thursday, and will remain in place throughout the day until 7pm.
Status yellow weather warnings from Met Éireann and the Met Office will be in force tomorrow across all 32 counties.