Friday will begin with mist and fog patches, soon turning to bright sunny spells in scattered showers, Met Éireann has said. Top temperatures of 11°C to 13°C in light winds.
By night, Friday will remain mostly dry, with mist and fog patches forming. Outbreaks of light rain will affect parts of the southwest, accompanied by fresh winds. Lowest temperatures of 4°C to 8°C.
Largely dry day with sunny spells has been forecast for Saturday. Well scattered showers will affect the country during the morning and afternoon, dying out towards evening. Highest temperatures of 11°C to 14°C.
Saturday will be dry overnight, with mist and fog patches developing in light easterly breezes. Lows of 3°C to 8°C.
Sunday will be dry to start with bright spells. Cloud will thicken from the southwest, with rain extending across most of the country during the night. Highest temperatures of 11°C to 15°C and dropping to 6°C to 10°C overnight.
Monday will be a wet day with persistent rain across the country. Heavy rain will continue into Tuesday, with windy conditions to follow on Wednesday.
Lower air and soil temperatures will make theplanting of all crops an option from here on, writes Andy Doyle.
Maximum use should be made of all sources of information in determing liver fluke burdens, including following up on the health status of sheep presented for slaughter, writes Darren Carty.
Weighing cattle at housing should be part and parcel of herd management, writes Kieran Mailey.