The Met Office has issued a “severe” weather warning for heavy rain in Northern Ireland today, bringing the risk of localised flooding.
A spokeswoman said the weather warning was specifically for counties Antrim, Armagh, Down and Londonderry.
“Rain arriving on Friday is expected to turn heavy at times, especially during the evening and on Saturday morning,” she said.
“More than 30mm is expected across many parts with the potential for 50mm locally.”
The heavy rain warning is valid from 6pm today until 8am tomorrow.
Motorists are warned to expect spray and lying surface water which could lead to disruption and longer travel times.