Heavy rain is expected across parts of Co. Armagh and Co. Down on Christmas Day and into Boxing Day which may lead to some localised flooding and travel disruption.
A yellow weather warning is in place from 3pm Christmas Day until 9am tomorrow Boxing Day.
The Met Office has stated that bus and train services could be affected with journey times taking longer, spray and flooding on roads is likely to make journey times longer, and flooding of a few homes and businesses is likely.
To report flooding problems on roads or burst water mains and blocked drains, contact the Northern Ireland flooding incident line on 0300 2000 100.
Previous adverse weather across the county seen disruption three weeks ago.
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