Storm Chandra is forecast to bring gusts of up to 112km/h to parts of the island of Ireland this week.
Met Éireann has issued a yellow-level warning for rain in counties Carlow, Kilkenny, Louth, Wexford, Wicklow, and Waterford between midnight and 11pm on Tuesday.
There is also a yellow-level warning for wind for the entire country between 3am and 11pm on the same day.
Meteorologist Rebecca Cantwell said Chandra will bring “heavy spells of rain with strong winds, especially along the coast”.
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With rain falling on already saturated ground and many rivers approaching or exceeding bank-full conditions, Ms Cantwell said localised flooding is expected.
Met Éireann said its warnings are likely to be updated. Chandra could see power outages, falls of snow, and some communities cut off by flooded roads.
The UK met office said Chandra will bring “very strong winds” to Northern Ireland as it advised the public to expect longer journey times and likely cancellations on road, rail, air and ferry services.
The storm has the potential to damage buildings, with flying roof tiles and other debris posing a danger to life.
It said there is a “good chance that power cuts may occur” which could affect other services such as mobile phone coverage.
Forecasters also warned that some communities may be cut off by flooded roads, with outbreaks of rain spreading across Northern Ireland during Tuesday, potentially even falling as snow for a time on the highest ground.
The UK met office said rainfall totals of 20-30mm are “likely fairly widely”, with 50-70 mm possible on high ground especially in eastern areas.
A status yellow warning for rain was in place from midday until midnight on Monday for a region affecting five counties in Northern Ireland but excluding Antrim and those closest to the northern coast in Derry.
The Met Office said: “A spell of heavy rain will move north-eastwards across Northern Ireland during Monday afternoon, 10-20mm of rain is expected to fall widely with 20-30 mm in a few areas and as much as 40mm over high ground.”
This was immediately followed by a status yellow warning for wind and rain for all of Northern Ireland for all of Tuesday.
A separate amber warning for wind is in place for the north and east of the region between 5am and 9pm on Tuesday. – PA
