The weather warning impacts Co Down, Armagh and parts of Co Antrim
A yellow weather warning for heavy rain in parts of Northern Ireland has been issued for this weekend.
The alert will be in place from midnight on Saturday to midday on Sunday affecting counties Armagh, Down and southern parts of Co Antrim.
However the Met Office is forecasting that heavy rain will spread across the whole of the region before gradually clearing to the east on Sunday morning.
Downpours will be heaviest in the southeast where 20-30 mm is expected to accumulate widely.
Over the Mournes, 60-100mm could build up much of this falling in the early hours of Sunday morning.
The Met Office added the weather warning will cause some impacts with bus and train services probably affected with journey times taking longer as well as spray and flooding on roads.
The weather warning impacts Co Down, Armagh and parts of Co Antrim
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Flooding of a few homes and businesses is likely and there may be some interruption to power supplies.
It is advised to check if your property could be at risk of flooding and if so, the Met Office has advised preparing a flood plan and emergency flood kit.
Travellers should avoid delays by checking road conditions and bus and train timetables.