A status Yellow Wind and Rain warning is in place at present across Connaught counties.
Both came into effect in the early hours of this morning.
Southeasterly winds are expected to reach mean speeds of 50 to 65km/h with gusts of 90 to 110km/hr. Gusts will exceed these values in exposed coastal areas and on higher ground, especially in the southwest.
A Status Yellow rainfall warning has been issued for 13 counties nationally, including counties Mayo and Galway.
The warnings will remain in place until 6pm this evening.
Heavy rain is expected to lead to accumulations of around 25 to 40mm - but forecasters warned it may exceed these limits in mountainous areas.
While no problems with flooding has been reported across the county so far this morning, Mayo County Council is advising motorists of possible flooding along the R-313 Belmullet Blacksod road due to winds and high tides of up to 5.5m and possible flooding may occur on Shore road, School road and Bridge road in Belmullet due to the weather
Residents and motorists along these roads are advised to take due caution.