Yellow weather warnings are in place throughout today.
Forecasters released a warning on Tuesday for frost and ice that remains in place until Friday.
A separate warning for snow was issued by the Met Office last night and runs until midday.
The police have asked people to drive carefully because of ice on the roads.
Northern bus services to be raised in Keys
Ben out of service for maintenance work this week
Richmond Hill closed again tonight for work
October warmer and sunnier than usual, says Met Office
MHK queries cost of Liverpool awards trip
DOI says it has 20 empty public sector homes
Marquee plan submitted by Milntown Estate
Fire crews called to free driver from crashed car