Temperatures are set to plummet as low as -2C later this week once Ireland gets over a few very wet days.
Met Eireann has a yellow rainfall warning in place for just Clare which came into effect at 5am on Monday morning and will last 24 hours.
A weather advisory for much of the south and west of the country remains in place until Tuesday with a risk of flooding due to persistent heavy rain.
And once the wet spell ends it will be replaced by wintry conditions and sub-zero temperatures bringing severe frost and ice to parts of the country.
Here is Met Eireann's five-day forecast for the week ahead;
Met Eireann five-day forecast
Monday
Monday will be wet and windy, with rain along west and southwest coasts in the early morning becoming widespread during the day.
The rain will be heavy in places, with a risk of flooding, especially in parts of Munster, Connacht and west Ulster. Fresh to strong southerly winds will gradually veer southwesterly. Cold during the morning, but becoming milder during the afternoon and evening with temperatures reaching 9 to 11 degrees.
Tuesday
Wet and windy in many areas at first, with rain and fresh and gusty southwesterly winds. Brighter conditions, with a few scattered showers, will extend gradually from the northwest, but rain may return to the southwest later.
Maximum temperatures 10 to 14 Celsius, but turning colder later, as winds veer westerly, later easing. Tuesday night will be breezy or windy again, with clear spells and scattered showers, most of them in the western half of the country. Min. 2 to 4 Celsius, in moderate to fresh southwesterly winds, strong in Atlantic coastal areas.
Wednesday
Cold and windy, with sunny spells and scattered showers, some of hail, with a risk of thunder. Turning much colder, with some of the showers turning wintry later Wednesday and Wednesday night. Max. 6 to 8 Celsius, in moderate to fresh southwesterly winds. Min. overnight. 0 to 3 Celsius, with a risk of frost in sheltered places.
Thursday
Cold, with sunny spells and scattered showers, some heavy, with a risk of thunder. Most of the showers will be of rain and hail, but some of sleet are possible, mainly over high ground. Max. 6 to 9 Celsius, in mostly moderate to fresh southwesterly winds.
Friday
The outlook is uncertain, but early indications are for cold and unsettled weather continuing.
