Ireland is set to be hit by a cold snap with freezing conditions on the way before the week is out.
Met Eireann is forecasting below zero temperatures on Sunday, with the cooler weather to continue into next week.
Before then, cloud and rain will dominate in the days ahead along with the recent unseasonably mild conditions.
Thursday will be mostly cloudy with some patches of rain, drizzle and mist.
Cloud will break in some areas during the course of the day allowing a few bright or sunny spells to develop and it will be a mild day with maximum temperatures of 12 to 16C.
It will be predominantly cloudy overnight with a few patches of light rain or drizzle, mainly across Connacht and Ulster, while it will also be mild with lowest temperatures of 9 to 12C.
A forecaster said: “A largely dry day on Friday with plenty of cloud but also some bright spells. A few patches of rain or drizzle about, mainly affecting southern and western coastal areas and hills. Top temperatures of 10 to 13C.
“Generally cloudy overnight with a few patches of drizzle or mist [on Friday night]. Persistent rain will develop in the northwest towards dawn on Saturday. Minimum temperatures of 7 to 10C.
“On Saturday, a band of rain will spread across Connacht and Ulster during the morning, extending southeastwards to remaining areas of the country in the afternoon.
“A clearance to colder conditions with scattered showers will follow across the west and north later in the day. Highest temperatures of 9 to 12C but turning colder later in the day.
“Cold and breezy on Saturday night with showers affecting western and northern coastal counties, some with hail. Elsewhere, it will be mainly dry with long clear spells. Minimum temperatures of 2 to 5C.”
The forecaster continued: “Sunday looks set to be a cold and blustery day with sunny spells and some showers. The showers will mainly affect coastal districts of the west and north, perhaps a few drifting in along Irish Sea coasts.
“Some of the showers will be of hail. Maximum temperatures of 6 to 9C in brisk northerly winds. Cold and mainly dry on Sunday night with long clear spells. Frost is expected to form widely across the country with lowest temperatures of -1 to +3C.
“A cold and crisp start on Monday with frost clearing during the morning to leave a dry and bright day with spells of sunshine. Maximum temperatures will range from around 6 to 9C.
“A cold night on Monday night with frost and some fog patches. However, frost will clear from northern counties later as cloud thickens bringing a few patches of light rain or drizzle there. Minimum temperatures of -1 to +4C.
“Frost is expected to clear from southern counties on Tuesday morning with cloud and a few spots of rain spreading from the north. It will stay mostly dry during daylight hours albeit with plenty of cloud and a few patches of drizzle. Highest temperatures of 7 to 11 C.”