The Met Office has issued a yellow weather warning for parts of Northern Ireland to take effect from Wednesday.
The weather forecaster said heavy rain could cause "some flooding and disruption to travel" when the warning is in place.
The alert for heavy rain is currently in place from 5am to 10am on Wednesday, November 23.
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It is set to impact on early morning rush hour traffic, with the warning impacting Belfast and other eastern regions including parts of Co Antrim, Co Armagh, and Co Down.
Issuing the alert on Tuesday, a spokesperson for the Met Office said: "Rain turning heavy later tonight and through the Wednesday morning travel to work period, potentially bringing 20-25 mm in just 3 or 4 hours."
They added: "Spray and flooding on roads probably making journey times longer. Bus and train services probably affected with journey times taking longer."
It comes after an earlier yellow weather warning for heavy rain was issued earlier this week.
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