HEADLINE:Frost tonight. Some rain and snow Boxing Day, mainly south.
THIS EVENING AND TONIGHT:Showers mostly dying out this evening, but still a few over Londonderry and Antrim coasts. Then dry overnight with some frost and patchy ice on untreated surfaces under clear skies, but cloudier later in the night. Light winds. Minimum temperature -1 deg C (30 deg F).
FRIDAY:Cold, cloudy morning with some rain or snow in afternoon, mainly across the south, with perhaps heavy snow over the Mournes and stronger winds for a time. Maximum temperature 4 deg C (39 deg F).
OUTLOOK FOR SATURDAY TO MONDAY:Bright with showers on Saturday, some wintry, but mainly on hills with cold northwesterly winds. Becoming dry on Sunday and Monday with overnight frosts, but southwest winds developing Monday.