The Met Office has warned that rain is likely to cause some disruption as it sweeps across the North of Ireland.
Some heavy and persistent rain is expected along with gusty winds, especially around the coast.
The warning ends at 9 pm on Friday.
Up to 30mm of rain is expected to fall quite widely, with up to 60mm of rain forecast over higher ground like the Sperrins and the Mournes.
The organisation is also expecting gales around the coast, and with trees in leaf there could be disruption in the form of fallen branches.
Some flooding of homes and businesses is possible, while drivers can expect difficult driving conditions because of the heavy rain.
Weather warnings have also been issued across the Republic for rain and gusty winds.
Met Eireann is forecasting localised flooding, poor visibility, and difficult driving conditions.
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