Motorists are being warned to take extreme care as treacherous driving conditions hit the Northwest this morning.
Gardai say there are reports of black ice on the majority of roads around the region this morning.
With temperatures dropping to around -4 in the early hours followed by showers of rain it has made for very slippery conditions.
Footpaths and carparks around the region are also reportedly very slippy.
The head of the Garda Traffic Corps in Donegal is Inspector Michael Harrison: