Forecasters say the high speed winds and accompanying rain will continue into the evening.
In Killybegs all fishing vessels have returned to the harbour and crews are ashore.
Driving conditions – particularly in the west and south of the county – are dreadful with AA Ireland and Gardai warning motorists, particularly drivers of high-sided vehicles, to reduce their speed.
A number of traffic corps vehicles are patrolling the main road between Donegal Town and Ballybofey.
Despite the high winds and the rain, temperatures remain mild – at between 10C and 12C.
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