The West coast is being battered by gusts of up to 120 km'/ hour this morning, as Storm Ali tracks close to the west and northwest coasts, before moving quickly eastwards during the morning.
A Status Orange wind warning has been in place since 5am this morning, and remains in place until lunchtime for the province of Connacht, and 12 other counties.
It's a wet and windy morning in Galway, Mayo and Sligo, with winds are reaching average speeds between 65 and 80 km/h with gusts between 110 and 120 km/h for a time.
A status orange gale warning is also in place this morning - Met Eireann says gales or strong gales will extend to all sea areas this morning, reaching storm force at times, and up to violent storm force between Loop Head and Erris Head this morning before winds veer westerly.
Forecasters say heavy rain, flying debris, fallen trees, power cuts, flooding and travel disruption are possible in the worst-hit areas.
A number of fallen trees have already been reported this morning across Co Mayo.
Motorists and road users are urged to exercise caution and beware of objects being blown onto the road, while control of a vehicle may be affected by strong cross winds.
High-sided vehicles and motorcyclists are particularly vulnerable to strong winds.
Some flights have been disrupted at Dublin Airport this morning due to Storm Ali,while Irish Ferries have cancelled a number of sailings to and from Dublin and Holyhead this morning.
The second day of the National Ploughing Championships in Co Offaly won't get underway until the later time of 11am this morning due to the adverse weather.