Bus, tram and rail services in the region will have restricted timetables today, and in the coming days.
Click on the links below to find out how you're affected:
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Warning for snow and ice valid 6am-6pm Sunday for the whole region, except western coastal slice & the Isle of Man
Cold, showery and icy overnight. Staying wintry at times over the weekend.
Cloudy on Saturday with rain continuing for a while, some hill snow.