A Status Yellow wind warning has been issued for Mayo and Galway this evening.
The alert is in effect from four o'clock this afternoon until 1 o'clock Sunday morning.
It will become very windy this evening and for a time tonight with some heavy rain.
South to southwest winds will reach mean speeds of 50 to 65km/h, gusting up to 100km/h, strongest in coastal areas.
There is also a risk of spot flooding across County Mayo.