00:00 Fri 01 May 2015 - 06:00 Sat 02 May 2015

Clear skies from the early hours and into the morning, some sunny intervals throughout the day. Staying dry, but becoming cloudier from dusk and into the morning, some cloud into Saturday. Overnight temperatures are expected to fall to -2C with a maximum temperature during the afternoon of 1C. Cold again into Saturday. Easterly winds becoming fresh from dawn.

06:00 Sat 02 May 2015 - 06:00 Sun 03 May 2015

Cloudy through the day. Snow anticipated from early evening and into Sunday. Maximum temperatures of around 2C expected during the afternoon with temperatures falling to -2C overnight. Easterly winds may become gale-force overnight.

06:00 Sun 03 May 2015 - 06:00 Mon 04 May 2015

Sleet and snow during the morning. Rain, initially heavy but easing in intensity, looking likely from early afternoon and into the evening. Sleet likely during the night. Maximum temperatures of around 3C expected during the afternoon. Fresh to strong east to southerly winds until dusk.