HEADLINE:Mainly dry on Sunday with sunny spells.
THIS EVENING AND TONIGHT:Staying largely dry with clear periods and light winds. Patchy freezing fog and a widespread frost developing. Still the chance of an isolated shower, mainly over parts of County Londonderry and west Tyrone. Minimum temperature -2 deg C (28 deg F).
SUNDAY:A cold start with any fog and frost slowly clearing through the morning to leave many places dry and bright. Isolated showers possible in the west. Maximum temperature 9 deg C (48 deg F).
OUTLOOK FOR MONDAY TO WEDNESDAY:Some patchy rain likely later on Monday and again on Tuesday. Otherwise mainly dry with overnight patchy frost and fog, slow to clear in places.