A yellow weather warning is in place for heavy rain across Northern Ireland with Storm Francis set to arrive on Tuesday.
Torrential downpours are expected from the early hours of tomorrow morning, right through until Wednesday morning.
The Met Office has put a yellow warning in place for the entirety of that time, with widespread flooding expected.
High winds are expected in other parts of the UK as a result of the storm but Northern ireland is expected to avoid the brunt of those.
Whilst not exceptional, winds this strong are unusual for August and they will be accompanied by some heavy rain in places, with possible transport disruption and impacts on outdoor activities.
The rain is expected to be heaviest in Northern Ireland and south west Scotland where 60-90 mm in total could fall as the storm moves from west to east.
Chief Meteorologist Andy Page, said: “The UK is in for another unseasonably wet and windy spell with Storm Francis arriving on Tuesday. There will be strong winds and heavy rain, especially in the west of the UK.
“A number of severe weather warnings have been issued and these warnings can be updated regularly so please keep up to date with the latest Met Office forecast.”
Storm Francis will clear to the East of the UK by Wednesday lunchtime, leaving a brighter and more settled outlook for the remainder of the day.
After a showery day on Friday the Bank Holiday weekend should bring sunshine to most parts for a time with scattered showers before further unsettled weather is expected to move in from Tuesday next week.