ESB crews were working round the clock to restore power to thousands of homes which lost electricity during gale force winds of up to 120kmh again lashing many parts of the country.
The strong winds are set to continue throughout today and it is expected to turn bitterly cold over the weekend, with temperatures due to drop as low as minus three tonight.
Motorists were warned that many untreated roads would be very icy and treacherous, especially after dark.
Met Eireann said the frosty conditions would continue tomorrow morning with the possibility of more overnight frost.
Westerly winds will be blustery on Sunday, but not as strong as earlier in the week.
According to the Met service the first half of next week was expected to be cold and showery with blustery northwest winds.
While high winds battered Dublin city, Donegal and the north west were hardest hit.
Gusts of up to 120kmh caused problems for drivers yesterday, especially along northern coastal counties.
An estimated 12,000 homes, mainly in counties Galway, Kerry and Cork, lost power because of the weather.
However, by late afternoon ESB had restored power to most of these homes, mainly around Killarney and Bandon.
An ESB spokesperson said that recent investment in the network meant that fewer homes were hit by power cuts during the storms than in past years.
Crews were trying to restore power to all affected properties overnight.
In Dublin, the Eastlink Bridge was closed for around 90 minutes during the morning rush hour when the roof of a nearby hut was blown off.
A mile-long tailback was reported at the Port Tunnel, while buses and cars at one stage taking 45 minutes to travel the 4.5km.
The AA again advised motorists to slow down.